CN113508790B - Light-induced trawl net with pointed pen cap and spiral shell - Google Patents
Light-induced trawl net with pointed pen cap and spiral shell Download PDFInfo
- Publication number
- CN113508790B CN113508790B CN202110598242.5A CN202110598242A CN113508790B CN 113508790 B CN113508790 B CN 113508790B CN 202110598242 A CN202110598242 A CN 202110598242A CN 113508790 B CN113508790 B CN 113508790B
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- traction
- groove
- frame
- light source
- sliding groove
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- 230000035939 shock Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 241000237858 Gastropoda Species 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000108402 Pteropoda Species 0.000 description 1
- 241000270708 Testudinidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
- A01K75/02—Illuminating devices for nets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a pencil cap snail light-induced trawl, which comprises: a frame and a net body; one side of the frame is connected with a net body, a first sliding groove and a second sliding groove are formed in the inner side of the frame, a plurality of first light source pieces are connected in the first sliding groove in a matched mode, the plurality of first light source pieces can move along the first sliding groove, a plurality of second light source pieces are connected in the second sliding groove in a matched mode, and the plurality of second light source pieces can move along the second sliding groove; the square annular structure of frame is located each edge of frame one side all is provided with the pull groove, and the pull groove dislocation distribution that is located the symmetry edge, the inboard cooperation in pull groove is connected with the traction lever, and the traction lever free end is connected with the haulage rope, and the haulage rope that is located on the traction lever of frame symmetry edge gathers in a bit, the traction lever can slide along the pull groove.
Description
Technical Field
The invention relates to a fishing trawl, in particular to a light-induced trawl with a sharp pen cap and a spiral shell.
Background
A bag-shaped netting gear of a towing bag of a fishing boat for trawl fishing forces a fishing object to enter a fishing operation mode in the trawl, and the cap snails are Gastropoda, Hegillidae, Pteropoda, Tortoise and cap snails. The trawl can be divided into two forms of a sleeve trawl and a sleeveless trawl according to the structural characteristics, the trawl with sleeves generally comprises 1 sac and 2 sleeves, the trawl is provided with an upper line and a lower line which are respectively provided with a proper number of floats and sinkers, so that a net mouth is vertically opened. It is the main structural form of marine trawl, and inland waters are also used, but the scale is smaller. The sleeveless trawl has two structural forms of a sleeveless single-bag type and a sleeveless multi-bag type.
Trawl is catched to traditional sharp cap spiral shell is all to be trailed the trawl through the haulage rope at catching the afterbody, when catching ship redirecting or rivers redirecting, cause several haulage ropes to tie a knot easily, tradition sharp cap spiral shell catches the trawl and only draws through the fishing boat, collect sharp cap spiral shell to catching in the trawl through water impact, but sharp cap spiral shell removes the in-process at the fishing boat, can't gather, present catch the trawl and do not set up light near the frame of catching the trawl and induce, it is relatively poor to catch the effect.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the light-induced trawl with the sharp pen cap and the spiral shell.
In order to achieve the purpose, the invention adopts the technical scheme that: a pencil cap snail light-induced trawl comprises: a frame and a net body;
one side of the frame is connected with a net body, a first sliding groove and a second sliding groove are formed in the inner side of the frame, a plurality of first light source pieces are connected in the first sliding groove in a matched mode and can move along the first sliding groove, a plurality of second light source pieces are connected in the second sliding groove in a matched mode and can move along the second sliding groove;
the square annular structure of frame is located each edge of frame one side all is provided with the pull groove, and the pull groove dislocation distribution that is located the symmetry edge, the inboard cooperation in pull groove is connected with the traction lever, and the traction lever free end is connected with the haulage rope, and the haulage rope that is located on the traction lever of frame symmetry edge gathers in a bit, the traction lever can slide along the pull groove.
In a preferred embodiment of the present invention, a first sliding block is disposed at the bottom of the first light source, the first sliding block is embedded in the first sliding groove, a second sliding block is disposed at the bottom of the second light source, and the second sliding block is embedded in the second sliding groove.
In a preferred embodiment of the present invention, the first sliding slot and the second sliding slot are distributed in parallel, and the size of the first sliding slot is larger than that of the second sliding slot.
In a preferred embodiment of the present invention, the first light source is larger than the second light source, and the brightness of the first light source is different from the brightness of the second light source.
In a preferred embodiment of the present invention, the first and second draw bars are disposed on opposite sides of the frame, and the third and fourth draw bars are disposed on opposite sides of the frame.
In a preferred embodiment of the present invention, the second traction rod and the fourth traction rod are located on symmetrical edges of the frame, and the first traction rod and the third traction rod, and the third traction rod and the fourth traction rod are located on different edges of the frame, respectively.
In a preferred embodiment of the invention, the traction grooves comprise a first traction groove and a second traction groove, a third traction groove and a fourth traction groove, the first traction groove and the third traction groove are positioned on two symmetrical edges of the frame, and the first traction groove and the third traction groove are positioned on two sides of the center line of the frame; the second traction groove and the fourth traction groove are positioned on two symmetrical edges of the frame, and the second traction groove and the fourth traction groove are positioned on two sides of the central line of the frame.
In a preferred embodiment of the present invention, shock absorbing pads are disposed at both ends of the inner side of the traction groove.
In a preferred embodiment of the invention, a plurality of floats are arranged on one side of the net body along the length direction of the net body, and a plurality of sinkers are arranged on the other side of the net body.
In a preferred embodiment of the invention, the tail part of the net body is provided with an outlet end, and a necking rope is arranged outside the outlet end.
In a preferred embodiment of the invention, one end of each of the first traction rod and the third traction rod is connected with a traction rope, and the two traction ropes are converged at one point and connected with a first traction ring.
In a preferred embodiment of the invention, one end of each of the second traction rod and the fourth traction rod is connected with a traction rope, and the two traction ropes are converged at one point and connected with a second traction ring.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the trawl net can be guaranteed to keep balance in the catching process of the topil cap snails through the traction grooves distributed in a staggered mode, in addition, the trawl net is connected to the first traction ring through the first traction rod and the third traction rod, the second traction rod and the fourth traction rod are connected to the second traction ring to form staggered connection, corresponding sliding can be formed in the moving process of the catching net along with a catching ship in the mode, the traction rods are not interfered with one another, and when the catching ship changes the direction or the water flow changes the direction, knotting of the traction ropes cannot be caused.
(2) The frame inboard sets up the first light source spare and the second light source spare of unidimensional and different illumination luminance, slides through first light source spare and second light source spare, and control first light source spare and the illumination number of second light source spare for light source spare forms the focus, improves the effect of luring of sharp cap spiral shell, and then improves and catches efficiency.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a perspective view of a cap-tipped fishing trawl in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the frame structure of the preferred embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of the frame of the preferred embodiment of the present invention;
in the figure: 1. the net body comprises a first traction ring, 2, a first traction rod, 3, a second traction rod, 4, a first traction groove, 5, a first light source part, 6, a second light source part, 7, a second traction groove, 8, a frame, 9, a net body, 10, a floater, 11, a necking rope, 12, an outlet end, 13, a sinker, 14, a third traction groove, 15, a fourth traction groove, 16, a hinge part, 17, a third traction rod, 18, a fourth traction rod, 19, a traction rope, 20, a second traction ring, 21, a first sliding groove, 22 and a second sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. As shown in FIGS. 1-3, the invention discloses a three-dimensional structure diagram of a pencil-point cap spiral light-induced trawl;
specifically, a pencil cap spiral light lures trawl includes: a frame 8 and a net body 9;
one side of the frame 8 is connected with a net body 9, a first sliding groove 21 and a second sliding groove 22 are arranged on the inner side of the frame 8, the first sliding groove 21 is internally and cooperatively connected with a plurality of first light source pieces 5, the plurality of first light source pieces 5 can move along the first sliding groove 21, the second sliding groove 22 is internally and cooperatively connected with a plurality of second light source pieces 6, and the plurality of second light source pieces 6 can move along the second sliding groove 22;
the square annular structure of frame 8, each edge that is located frame 8 one side all is provided with the pull groove, and the pull groove dislocation distribution that is located the symmetry edge, the inboard cooperation of pull groove is connected with the traction lever, and the traction lever free end is connected with haulage rope 19, and the haulage rope 19 that is located on the traction lever of frame 8 symmetry edge gathers in a bit, and the traction lever can slide along the pull groove.
It should be noted that the trawl can be guaranteed to keep balance in the process of fishing the cap-shaped cap screws through the traction grooves distributed in a staggered mode, in addition, the trawl is connected to the first traction ring 1 through the first traction rod 2 and the third traction rod 17, the second traction rod 3 and the fourth traction rod 18 are connected to the second traction ring 20 to form staggered connection, corresponding sliding can be formed in the process that the fishing net moves along with a fishing ship in the mode, the traction rods do not interfere with one another, and knotting of the traction ropes 19 cannot be caused when the fishing ship changes the direction or the water flow changes the direction.
According to the embodiment of the present invention, the first light source 5 is provided with a first slider at the bottom, the first slider is embedded in the first sliding groove 21, and the second light source 6 is provided with a second slider at the bottom, the second slider is embedded in the second sliding groove 22.
According to the embodiment of the present invention, the first sliding slot 21 and the second sliding slot 22 are distributed in parallel, and the size of the first sliding slot 21 is larger than that of the second sliding slot 22.
According to the embodiment of the present invention, the size of the first light source device 5 is larger than that of the second light source device 6, and the luminance of the first light source device 5 is different from that of the second light source device 6.
It should be noted that, the first light source 5 and the second light source 6 with different sizes and different illumination brightness are arranged on the inner side of the frame 8, the first light source 5 and the second light source 6 slide, and the number of the first light source 5 and the second light source 6 is controlled, so that the light source forms a focus point, the luring effect of the cap screw of the pen-tip can be improved, the fishing efficiency can be further improved, the first light source 5 on different sides of the frame 8 can be matched with the second light source to focus light, a light source area is increased, and meanwhile, the position of the light source irradiation area on the frame 8 can be adjusted.
According to the embodiment of the invention, the traction rods comprise a first traction rod 2 and a second traction rod 3, a third traction rod 17 and a fourth traction rod 18, and the first traction rod 2 and the third traction rod 17 are positioned on the symmetrical edges of the frame 8.
According to the embodiment of the invention, the second traction rod 3 and the fourth traction rod 18 are positioned on the symmetrical edges of the frame 8, and the first traction rod 2 and the third traction rod 17, and the second traction rod 17 and the fourth traction rod 18 are respectively positioned on different edges of the frame 8.
According to the embodiment of the invention, the traction grooves comprise a first traction groove 4, a second traction groove 7, a third traction groove 14 and a fourth traction groove 15, the first traction groove 4 and the third traction groove 14 are positioned on two symmetrical edges of the frame 8, and the first traction groove 4 and the third traction groove 14 are positioned on two sides of the central line of the frame 8; the second traction groove 7 and the fourth traction groove 15 are positioned on two symmetrical edges of the frame 8, and the second traction groove 7 and the fourth traction groove 15 are positioned on two sides of the center line of the frame 8.
It should be noted that, the first traction groove 4 and the third traction groove 14 are located at two symmetrical sides of the frame 8, and the first traction groove 4 and the third traction groove 14 are distributed in a staggered manner, so that the first traction rod 2 and the second traction rod 3 are respectively positioned in the diagonal regions of the frame 8 to move, and the trawl has higher balance property under the impact of water flow, similarly, the second traction groove 7 and the fourth traction groove 15 are positioned on the other two edges of the frame 8, and the second traction groove 7 and the fourth traction groove 15 are distributed in a staggered manner, and 4 traction grooves are close to different four corners of the frame 8, two ends inside the 4 traction grooves are respectively provided with a limiting block, the bottoms of the 4 traction rods are respectively provided with a hinging piece 16, the hinging pieces 16 are used for connecting the traction rods with the traction grooves in a matching way, when the 4 traction rods slide in the corresponding traction grooves, can guarantee to slide in safe region to guarantee that can the maximize catches the equilibrium of trawl.
According to the embodiment of the invention, shock absorption pads are arranged at two ends of the inner side of the traction groove.
The damping pad is arranged to prevent the traction rod from impacting the inner wall of the traction groove in the sliding process of the traction rod, so that the service life of the traction rod is prolonged.
According to the embodiment of the invention, one side of the net body 9 is provided with a plurality of floats 10 along the length direction of the net body 9, and the other side of the net body 9 is provided with a plurality of sinkers 13.
It should be noted that, a plurality of float 10 that is located trawl upper portion establishes ties to a connecting rod on, a plurality of float 10 can slide along the connecting rod, through the interval between the adjustment float 10, and adjust the density that a plurality of float 10 is located the different positions department of trawl, adjust the buoyancy size of the different positions department of trawl, and then adjust the depth and the angle that the trawl sinks in water, a plurality of sinker 13 also can adjust the position that is located the trawl department on the same principle, and adjust the distribution distance between the sinker 13, through sinker 13 and the cooperation of float 10, angle after more nimble adjustment trawl net gape gets into the aquatic, catch sharp cap snail more efficiently.
According to the embodiment of the invention, the tail part of the net body 9 is provided with an outlet end 12, and the outer side of the outlet end 12 is provided with a necking rope 11.
According to the embodiment of the invention, one ends of the first traction rod 2 and the third traction rod 17 are both connected with traction ropes 19, and the two traction ropes 19 are converged at one point and connected with the first traction ring 1.
According to the embodiment of the invention, one ends of the second traction rod 3 and the fourth traction rod 18 are both connected with traction ropes 19, and the two traction ropes 19 are converged at one point and connected with a second traction ring 20.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A pencil-point cap spiral light-induced trawl comprises: a frame and a net body; it is characterized in that the preparation method is characterized in that,
one side of the frame is connected with a net body, a first sliding groove and a second sliding groove are formed in the inner side of the frame, a plurality of first light source pieces are connected in the first sliding groove in a matched mode and can move along the first sliding groove, a plurality of second light source pieces are connected in the second sliding groove in a matched mode and can move along the second sliding groove;
the frame is of a square annular structure, traction grooves are formed in each edge of the other side of one side, where the frame is connected with the net body, of the other side of the frame, the traction grooves on the symmetrical edges of the frame are distributed in a staggered mode, the inner sides of the traction grooves are connected with traction rods in a matched mode, the free ends of the traction rods are connected with traction ropes, the traction ropes on the traction rods on the symmetrical edges of the frame are gathered at one point, and the traction rods can slide along the traction grooves;
a first sliding block is arranged at the bottom of the first light source part, the first sliding block is arranged in the first sliding groove in an embedding mode, a second sliding block is arranged at the bottom of the second light source part, and the second sliding block is arranged in the second sliding groove in an embedding mode;
the first traction rod, the second traction rod, the third traction rod and the fourth traction rod are respectively positioned on different edges of the frame, the first traction rod and the third traction rod are respectively positioned on symmetrical edges of the frame, and the second traction rod and the fourth traction rod are respectively positioned on symmetrical edges of the frame;
the traction grooves comprise a first traction groove, a second traction groove, a third traction groove and a fourth traction groove, the first traction groove and the third traction groove are positioned on two symmetrical edges of the frame, and the first traction groove and the third traction groove are respectively positioned on two sides of the central line of the frame; the second traction groove and the fourth traction groove are positioned on two symmetrical edges of the frame, and the second traction groove and the fourth traction groove are respectively positioned on two sides of the central line of the frame.
2. The light-induced trawl with the pointed pencil cap according to claim 1, characterized in that: the first sliding groove and the second sliding groove are distributed in parallel, and the size of the first sliding groove is larger than that of the second sliding groove.
3. The light-induced trawl with the pointed pencil cap according to claim 1, characterized in that: the first light source unit is larger in size than the second light source unit, and the first light source unit has a luminance different from that of the second light source unit.
4. The light-induced trawl with the pointed pencil cap according to claim 1, characterized in that: and shock absorption pads are arranged at the two ends of the inner side of the traction groove.
5. The light-induced trawl with the pointed pencil cap according to claim 1, characterized in that: one side of the net body is provided with a plurality of floats along the length direction of the net body, and the other side of the net body is provided with a plurality of sinkers.
6. The light-induced trawl with the pointed pencil cap according to claim 1, characterized in that: the net body tail is provided with an outlet end, and a necking rope is arranged on the outer side of the outlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598242.5A CN113508790B (en) | 2021-05-31 | 2021-05-31 | Light-induced trawl net with pointed pen cap and spiral shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598242.5A CN113508790B (en) | 2021-05-31 | 2021-05-31 | Light-induced trawl net with pointed pen cap and spiral shell |
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| Publication Number | Publication Date |
|---|---|
| CN113508790A CN113508790A (en) | 2021-10-19 |
| CN113508790B true CN113508790B (en) | 2022-07-12 |
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| CN202110598242.5A Expired - Fee Related CN113508790B (en) | 2021-05-31 | 2021-05-31 | Light-induced trawl net with pointed pen cap and spiral shell |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5276995A (en) * | 1993-02-08 | 1994-01-11 | Johnson Steven L | Net trap |
| CN203523584U (en) * | 2013-09-09 | 2014-04-09 | 浙江海洋学院 | Drag net with multiple sets of parallel bags |
| CN204157501U (en) * | 2014-05-04 | 2015-02-18 | 上海海洋大学 | A kind of zoobenthos trawlnet |
| CN204837594U (en) * | 2015-07-08 | 2015-12-09 | 复旦大学 | Can drag crabbing device that diversion is difficult for blocking |
| CN106508765A (en) * | 2016-11-10 | 2017-03-22 | 浙江海洋大学 | Marine ecological breeding net cage |
| CN208159872U (en) * | 2018-05-02 | 2018-11-30 | 舒城县万佛湖渔业总公司 | A kind of Quick fishing net |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4848898B2 (en) * | 2006-08-31 | 2011-12-28 | 国立大学法人東京海洋大学 | Troll net layered collection device |
-
2021
- 2021-05-31 CN CN202110598242.5A patent/CN113508790B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5276995A (en) * | 1993-02-08 | 1994-01-11 | Johnson Steven L | Net trap |
| CN203523584U (en) * | 2013-09-09 | 2014-04-09 | 浙江海洋学院 | Drag net with multiple sets of parallel bags |
| CN204157501U (en) * | 2014-05-04 | 2015-02-18 | 上海海洋大学 | A kind of zoobenthos trawlnet |
| CN204837594U (en) * | 2015-07-08 | 2015-12-09 | 复旦大学 | Can drag crabbing device that diversion is difficult for blocking |
| CN106508765A (en) * | 2016-11-10 | 2017-03-22 | 浙江海洋大学 | Marine ecological breeding net cage |
| CN208159872U (en) * | 2018-05-02 | 2018-11-30 | 舒城县万佛湖渔业总公司 | A kind of Quick fishing net |
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| Publication number | Publication date |
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| CN113508790A (en) | 2021-10-19 |
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