CN108982164B - Control system of oil tank sampler - Google Patents
Control system of oil tank sampler Download PDFInfo
- Publication number
- CN108982164B CN108982164B CN201811118409.8A CN201811118409A CN108982164B CN 108982164 B CN108982164 B CN 108982164B CN 201811118409 A CN201811118409 A CN 201811118409A CN 108982164 B CN108982164 B CN 108982164B
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- Prior art keywords
- pull rod
- suction cylinder
- rod
- pipe
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The control system of the oil tank sampler relates to a sampling device, the middle part of the lower end of an annular handle (1) is fixedly connected with the upper end of a pipe (6), the lower surface of a lifting rod (2) in the annular handle is fixedly connected with the upper end of a pull rod (5) to form a control mechanism, the outer edge of the upper opening of a suction cylinder (15) is externally connected with the lower opening of the pipe, the exposed part of the lower end of the pull rod penetrating through the pipe is connected with the upper end of a push-pull rod (10), the lower end of the push-pull rod in the suction cylinder is provided with a piston (31), the lower opening of the suction cylinder is provided with a horn-shaped end plate (24), and the lower opening of the horn-shaped end plate is provided with a one-way valve; an air bag is arranged at the outer lower part of the suction cylinder; the invention controls the pipe to enter the oil tank by the annular handle, and the suction cylinder is rapidly sampled by the lifting rod and the pull rod piston.
Description
[ Field of technology ]
The invention relates to a sampling device, in particular to a control system of an oil tank sampler.
[ Background Art ]
As known, metal oil tanks are mostly used for storing and depositing various oil products, and the diameter of the oil tank is between twenty centimeters and fifty centimeters because the mouth at the upper part of the oil tank is usually smaller, so that people are inconvenient to enter and the oil products are polluted; the oil tank for placing the oil product is in a closed state for a long time, so that a person can hardly lie on the upper part of the oil tank to observe the state in the mouth during sampling, and the oil product stored for a long time emits large volatile matters, so that the person can hardly access the oil tank; and because of the explosion proof requirement, the observation can not be performed by using the illumination object, so that each sampling is very difficult.
[ Invention ]
In order to overcome the defects in the background technology, the invention discloses a control system of an oil tank sampler, which controls a pipe to enter an oil tank through an annular handle, and rapidly samples a suction cylinder through a lifting rod and a pull rod piston.
The technical scheme for realizing the invention is as follows:
The control system of the oil tank sampler comprises an annular handle, a lifting rod, a pipe, a suction barrel, a push-pull rod, a piston and a one-way valve, wherein the middle part of the lower end of the annular handle is fixedly connected with the upper end of the pipe, the lower surface of the lifting rod in the annular handle is fixedly connected with the upper end of the pull rod to form a control mechanism, the outer edge of the upper opening of the suction barrel is externally connected with the lower opening of the pipe, the exposed part of the lower end of the pull rod penetrating through the pipe is connected with the upper end of the push-pull rod, the piston is arranged at the lower end of the push-pull rod in the suction barrel, the lower opening of the suction barrel is provided with a horn-shaped end plate, and the lower opening of the horn-shaped end plate is provided with the one-way valve; an air bag is arranged at the outer lower part of the suction cylinder.
In the control system of the oil tank sampler, the lower opening of the trumpet-shaped end plate is connected with the upper end of the conical diameter reduction cylinder, a ball arranged in a conical hole of the conical diameter reduction cylinder forms a one-way valve, and the lower part of the ball is provided with a liquid discharging rod with the length exceeding that of the conical hole.
The control system of the oil tank sampler is characterized in that a return hook is arranged at the lower part of the liquid discharging rod, the bending end of the return hook is positioned at one side of the end pipe, and a horizontal rod is arranged at the bending end of the return hook.
The control system of the oil tank sampler is characterized in that short horizontal rods are respectively arranged on two sides of the lower end of the pipe, vertical rods are respectively arranged on the lower parts of the outer ends of the two short horizontal rods, horizontal plates are respectively arranged on the outer sides of the lower ends of the vertical rods, and the two horizontal plates are respectively connected with connecting plates on two sides of the upper end of the suction cylinder through screws.
The oil tank sampler control system is characterized in that an outer thread is arranged on the outer edge of the upper end of the suction cylinder, an inner thread arranged on the inner wall of the lower opening of the cover is connected with the outer thread of the suction cylinder, a middle hole is arranged in the middle of the upper plate of the cover, the upper part of the push-pull rod penetrates through the middle hole, and two connecting plates are respectively arranged on two sides of the upper part of the cover.
The control system of the oil tank sampler is characterized in that a rubber ring is arranged in the middle of the piston, and the outer edge surface of the rubber ring is in interference fit with the inside of the cavity of the suction cylinder.
In the control system of the oil tank sampler, the air bag is an annular air bag, and a sleeve hole in the middle of the annular air bag is sleeved on the outer edge surface of the lower end of the suction cylinder.
The oil tank sampler control system, the upper end of pull rod be equipped with the perforation, the sunken parcel of U-shaped adapter sleeve the middle part of pull rod, the both ends portion centre gripping of U-shaped adapter sleeve is in pull rod upper end both sides, the pin middle part is in the perforation that the pull rod is close to the upper end, after the pin both ends pass the hole at U-shaped adapter sleeve both ends the both ends of pin are equipped with the expanding nail cap.
The control system of the oil tank sampler comprises a pull rod and another replacement structure, wherein the pull rod is connected with a lifting rod, and the upper end of the pull rod is connected with the middle part of the lower surface of the lifting rod through welding.
The control system of the oil tank sampler is characterized in that a connecting sleeve is arranged at the lower end of the pull rod, connecting holes are respectively formed in two side walls of the connecting sleeve, a connecting hole is formed in the upper end of the push-pull rod, the upper end of the push-pull rod penetrates through the connecting sleeve, and the connecting holes of the push-pull rod and the connecting sleeve are connected in series by another pin.
Through the above disclosure, the beneficial effects of the invention are:
According to the control system of the oil tank sampler, the oil sample is sucked into the oil tank through the suction cylinder at the lower end of the lifting rod and the pull rod control pipe by virtue of the annular handle control pipe, and then when the lifting rod is stopped to be pulled by a hand, the conical hole of the conical diameter reduction cylinder is closed under the action of dead weight; the invention has a small structure, is favorable for popularization and can effectively reduce the inconvenience of sampling the oil tank.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the suction cylinder and the lower ejector B with the cover of the present invention;
FIG. 3 is a schematic illustration of the piston structure of the present invention;
FIG. 4 is a schematic view of the annular air bag structure of the present invention;
FIG. 5 is a schematic view of the connecting structure of the lifting rod and the pull rod of the present invention;
In the figure: 1. an annular handle; 2. a lifting rod; 3. a U-shaped connecting sleeve; 4. a pin; 5. a pull rod; 6. a tube; 7. a short horizontal bar; 8. a vertical rod; 9. a connection sleeve; 10. a push-pull rod; 11. a horizontal plate; 12. a connecting plate; 13. a screw; 14. a cover; 15. a suction cylinder; 16. an annular air bag; 17. a conical diameter-reducing cylinder; 18. an end pipe; 19. a hole; 20. a middle hole; 21. an internal thread; 22. an external thread; 23. a cavity; 24. a trumpet-shaped end plate; 25. a tapered bore; 26. a ball; 27. a liquid discharging rod; 28. a hook is returned; 29. a horizontal bar; 30. a connection hole; 31. a piston; 32. a rubber ring; 33. trepanning; 34. and (5) perforating.
[ Detailed description ] of the invention
The invention is further illustrated below with reference to examples; the following examples are not intended to limit the invention, but merely as a means for supporting the practice of the invention, and any equivalent structural substitutions within the technical framework of the invention disclosed herein are intended to be within the scope of the invention;
The control system of the oil tank sampler comprises an annular handle 1, a lifting rod 2, a pipe 6, a suction barrel 15, a push-pull rod 10, a piston 31 and a one-way valve, wherein the middle part of the lower end of the annular handle 1 is fixedly connected with the upper end of the pipe 6, the lower surface of the lifting rod 2 in the annular handle 1 is fixedly connected with the upper end of the pull rod 5 to form a control mechanism, the outer edge of the upper opening of the suction barrel 15 is connected with the outer part of the lower opening of the pipe 6, the exposed part of the lower end of the pull rod 5 penetrating through the pipe 6 is connected with the upper end of the push-pull rod 10, the lower end of the pull rod 5 is provided with a connecting sleeve 9, the two side walls of the connecting sleeve 9 are respectively provided with a connecting hole 30, the upper end of the push-pull rod 10 is penetrated in the connecting sleeve 9 and is connected with the connecting hole 30 of the connecting sleeve 9 in series by another pin push-pull rod 10 and the connecting sleeve 9; the lower end of the push-pull rod 10 in the suction cylinder 15 is provided with a piston 31, the middle part of the piston 31 is provided with a rubber ring 32, the outer edge surface of the rubber ring 32 is in interference fit with the inside of the cavity 23 of the suction cylinder 15, the lower opening of the suction cylinder 15 is provided with a trumpet-shaped end plate 24, and the lower opening of the trumpet-shaped end plate 24 is provided with a one-way valve; an air bag is arranged at the outer lower part of the suction cylinder 15, the air bag is an annular air bag 16, and a sleeve hole 33 at the middle part of the annular air bag 16 is sleeved on the outer edge surface of the lower end of the suction cylinder 15.
Referring to fig. 1 and 2, two sides of the lower end of the pipe 6 are respectively provided with a short horizontal rod 7, the lower parts of the outer ends of the two short horizontal rods 7 are respectively provided with a vertical rod 8, the outer sides of the lower ends of the vertical rods 8 are respectively provided with a horizontal plate 11, the two horizontal plates 11 are respectively connected with connecting plates 12 on two sides of the upper end of a suction cylinder 15 through screws 13, the outer edge of the upper end of the suction cylinder 15 is provided with external threads 22, an internal thread 21 arranged on the inner wall of the lower opening of a cover 14 is connected with the external threads 22 of the suction cylinder 15, the middle part of the upper plate of the cover 14 is provided with a middle hole 20, the upper part of a push-pull rod 10 is penetrated in the middle hole 20, the two connecting plates 12 are respectively arranged on two sides of the upper part of the cover 14, the lower opening of a horn-shaped end plate 24 is connected with the upper end of a cone-shaped reducing cylinder 17, a ball 26 arranged in a cone-shaped hole 25 of the cone-shaped reducing cylinder 17 forms a one-way valve, and the lower part of the ball 26 is provided with a liquid discharging rod 27 with a length exceeding the cone-shaped hole 25; a return hook 28 is arranged at the lower part of the liquid discharge rod 27, the bending end of the return hook 28 is positioned at one side of the end pipe 18, and a horizontal rod 29 is arranged at the bending end of the return hook 28.
With reference to fig. 1 or 5, the upper end of the pull rod 5 is provided with a through hole 34, the middle part of the lifting rod 2 is wrapped by the concave of the U-shaped connecting sleeve 3, two end parts of the U-shaped connecting sleeve 3 are clamped at two sides of the upper end of the pull rod 5, the middle part of the pin 4 is positioned in the through hole 34 of the pull rod 5 near the upper end, and two ends of the pin 4 pass through the holes at two ends of the U-shaped connecting sleeve 3 and then the two ends of the pin 4 are provided with expanding pin caps; or another alternative structure that the pull rod 5 is connected with the lifting rod 2, the upper end of the pull rod 5 is connected with the middle part of the lower surface of the lifting rod 2 by welding.
The control system for implementing the oil tank sampler provided by the invention has the following installation process:
Referring to fig. 1 to 5, firstly, a ball 26 and a stainless steel wire are welded to form a liquid discharge rod 27, then the liquid discharge rod 27 is downwards placed into a suction cylinder 15, the liquid discharge rod 27 and the ball 26 respectively enter an end pipe 18 and a conical reducing cylinder 17, the lower part of the liquid discharge rod 27 is bent by pliers to form a return hook 28, and then the end of the liquid discharge rod 27 is not bent to form a horizontal rod 29; the suction cylinder 15 is internally provided with a piston 31, a push-pull rod 10 of the piston 31 is placed in a middle hole 20 of the cover 14, then an internal thread 21 of the cover 14 is connected with an external thread 22 of the suction cylinder 15, two connecting plates 12 of the cover 14 are in butt joint with two horizontal plates 11 at the lower part of the pipe 6, and two screws 13 are used for penetrating holes 19 of the two connecting plates 12 of the cover 14 and holes of the horizontal plates 11 respectively and then are locked by nuts; at this time, the push-pull rod 10 is connected with the lower end of the pull rod 5 by using the interval formed between the two upright rods 8, and then the upper end of the pull rod 5 is connected with the lifting rod 2 by using the U-shaped connecting sleeve 3 and the pin 4.
When the oil sampling device is used, firstly, the lifting rod 2 is pressed down, then the annular handle 1 is held, the suction cylinder 15 is conveyed into the upper part of an oil product of the oil tank, after the conical diameter reduction cylinder 17 enters the oil product, the annular air bag 16 contacts the oil product to form resistance, an operator stops probing down and starts to pull the lifting rod 2 up after sensing, when the required amount is reached, the lifting rod 2 stops pulling up, at the moment, the ball 26 is subjected to dead weight to seal the conical hole 25 of the conical diameter reduction cylinder 17, then the oil sampling device is taken out, the end pipe 18 is inserted into a container opening, the horizontal rod 29 of the liquid discharging rod 27 is supported on the container opening, the ball 26 is pushed to ascend by the liquid discharging rod 27, and the opening of the conical hole 25 and the inflow of an oil sample into the container are obtained to finish the sampling operation.
The invention is not described in detail in the prior art.
Claims (6)
1. The utility model provides a control system of oil tank sampler, includes annular handle (1), lifter (2), pipe (6), suction cylinder (15), push-and-pull rod (10), piston (31) and check valve, characterized by: the middle part of the lower end of the annular handle (1) is fixedly connected with the upper end of the pipe (6), the lower surface of the lifting rod (2) in the annular handle (1) is fixedly connected with the upper end of the pull rod (5) to form a control mechanism, the outer edge of the upper opening of the suction cylinder (15) is externally connected with the lower opening of the pipe (6), the exposed part of the lower end of the pull rod (5) penetrating through the pipe (6) is connected with the upper end of the push-pull rod (10), the lower end of the push-pull rod (10) in the suction cylinder (15) is provided with a piston (31), the lower opening of the suction cylinder (15) is provided with a trumpet-shaped end plate (24), and the lower opening of the trumpet-shaped end plate (24) is provided with a one-way valve; an air bag is arranged at the outer lower part of the suction cylinder (15);
The air bag is an annular air bag (16), and a sleeve hole (33) in the middle of the annular air bag (16) is sleeved on the outer edge surface of the lower end of the suction cylinder (15);
The lower opening of the trumpet-shaped end plate (24) is connected with the upper end of the conical diameter reduction cylinder (17), a one-way valve is formed by a ball (26) arranged in a conical hole (25) of the conical diameter reduction cylinder (17), and a liquid discharging rod (27) with the length exceeding that of the conical hole (25) is arranged at the lower part of the ball (26);
A return hook (28) is arranged at the lower part of the liquid discharge rod (27), the bending end of the return hook (28) is positioned at one side of the end pipe (18), and a horizontal rod (29) is arranged at the bending end of the return hook (28);
Short horizontal rods (7) are respectively arranged on two sides of the lower end of the pipe (6), vertical rods (8) are respectively arranged on the lower parts of the outer ends of the two short horizontal rods (7), horizontal plates (11) are respectively arranged on the outer sides of the lower ends of the vertical rods (8), and the two horizontal plates (11) are respectively connected with connecting plates (12) on two sides of the upper end of the suction cylinder (15) through screws (13).
2. The control system of the tank sampler of claim 1 wherein: the outer edge of the upper end of the suction cylinder (15) is provided with an external thread (22), an internal thread (21) arranged on the inner wall of the lower opening of the cover (14) is connected with the external thread (22) of the suction cylinder (15), the middle part of the upper plate of the cover (14) is provided with a middle hole (20), the upper part of the push-pull rod (10) is penetrated in the middle hole (20), and two connecting plates (12) are respectively arranged on two sides of the upper part of the cover (14).
3. The control system of the tank sampler of claim 1 wherein: a rubber ring (32) is arranged in the middle of the piston (31), and the outer edge surface of the rubber ring (32) is in interference fit with the inside of the cavity (23) of the suction cylinder (15).
4. The control system of the tank sampler of claim 1 wherein: the upper end of pull rod (5) is equipped with perforation (34), and the sunken parcel of U-shaped adapter sleeve (3) the middle part of lifter (2), the both ends centre gripping of U-shaped adapter sleeve (3) are in pull rod (5) upper end both sides, and pin (4) middle part is in pull rod (5) perforation (34) near the upper end, after the hole at U-shaped adapter sleeve (3) both ends are passed at pin (4) both ends are equipped with the expanding nut.
5. The control system of the tank sampler of claim 4 wherein: the pull rod (5) is connected with the lifting rod (2) in another alternative structure, and the upper end of the pull rod (5) is connected with the middle part of the lower surface of the lifting rod (2) through welding.
6. The control system of the tank sampler of claim 1 wherein: the lower extreme at pull rod (5) is equipped with adapter sleeve (9), be equipped with connecting hole (30) on the both sides wall of adapter sleeve (9) respectively, the upper end of push-and-pull rod (10) is equipped with connecting hole (30), and the upper end of push-and-pull rod (10) wears in adapter sleeve (9), concatenates connecting hole (30) of push-and-pull rod (10) and adapter sleeve (9) by another pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118409.8A CN108982164B (en) | 2018-09-26 | 2018-09-26 | Control system of oil tank sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118409.8A CN108982164B (en) | 2018-09-26 | 2018-09-26 | Control system of oil tank sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108982164A CN108982164A (en) | 2018-12-11 |
| CN108982164B true CN108982164B (en) | 2024-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811118409.8A Active CN108982164B (en) | 2018-09-26 | 2018-09-26 | Control system of oil tank sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108982164B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203025014U (en) * | 2013-01-13 | 2013-06-26 | 济南大学 | Small-caliber-drilling fixed-depth groundwater sampler |
| CN105445060A (en) * | 2015-11-30 | 2016-03-30 | 国网河南偃师市供电公司 | Automatic vacuum oil sample taking container for electric high-voltage oil-filled transformer |
| CN107349491A (en) * | 2017-07-06 | 2017-11-17 | 丽水市知科科技有限公司 | A kind of accurate fixed-quantity injector |
| CN107843459A (en) * | 2017-11-08 | 2018-03-27 | 吴振明 | A kind of adjustable thief rod of depth under water |
| CN207423596U (en) * | 2017-11-28 | 2018-05-29 | 鲁南煤化工研究院 | A kind of chemical industry measurement sampler |
| CN208921494U (en) * | 2018-09-26 | 2019-05-31 | 河南中托力合化学有限公司 | A kind of control system of oil tank sampler |
-
2018
- 2018-09-26 CN CN201811118409.8A patent/CN108982164B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203025014U (en) * | 2013-01-13 | 2013-06-26 | 济南大学 | Small-caliber-drilling fixed-depth groundwater sampler |
| CN105445060A (en) * | 2015-11-30 | 2016-03-30 | 国网河南偃师市供电公司 | Automatic vacuum oil sample taking container for electric high-voltage oil-filled transformer |
| CN107349491A (en) * | 2017-07-06 | 2017-11-17 | 丽水市知科科技有限公司 | A kind of accurate fixed-quantity injector |
| CN107843459A (en) * | 2017-11-08 | 2018-03-27 | 吴振明 | A kind of adjustable thief rod of depth under water |
| CN207423596U (en) * | 2017-11-28 | 2018-05-29 | 鲁南煤化工研究院 | A kind of chemical industry measurement sampler |
| CN208921494U (en) * | 2018-09-26 | 2019-05-31 | 河南中托力合化学有限公司 | A kind of control system of oil tank sampler |
Non-Patent Citations (4)
| Title |
|---|
| 吐尔逊•艾山等.自动取样器在油品罐区中的应用.广东化工.第41卷(第13期),第238-254页. * |
| 朱佳聪.《油矿地质学》.石油工业出版社,1990,第88页. * |
| 真空感应炉超纯净钢钢液取样技术的开发应用;陈子宏等;冶炼传感器;20111231;第20-25页 * |
| 高水平放射性废液中自悬浮式 有机相取样器研制与优化;阙昌林等;环境与可持续发展;20171231(第6期);第83-87页 * |
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| CN108982164A (en) | 2018-12-11 |
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