CN112219521A - Little drip irrigation equipment of straw bio-organic fertilizer - Google Patents
Little drip irrigation equipment of straw bio-organic fertilizer Download PDFInfo
- Publication number
- CN112219521A CN112219521A CN202011100574.8A CN202011100574A CN112219521A CN 112219521 A CN112219521 A CN 112219521A CN 202011100574 A CN202011100574 A CN 202011100574A CN 112219521 A CN112219521 A CN 112219521A
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- China
- Prior art keywords
- drip irrigation
- micro
- pipe
- main body
- organic fertilizer
- 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.)
- Granted
Links
- 238000003973 irrigation Methods 0.000 title claims abstract description 137
- 230000002262 irrigation Effects 0.000 title claims abstract description 137
- 239000010902 straw Substances 0.000 title claims abstract description 32
- 239000003895 organic fertilizer Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 230000004151 fermentation Effects 0.000 abstract description 20
- 238000000855 fermentation Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 3
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/006—Distribution of liquid fertilisers by gravity flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a micro-drip irrigation device for straw bio-organic fertilizer, which comprises a micro-drip irrigation main body, wherein a connecting water pipe is arranged at the top end of the micro-drip irrigation main body, a plurality of connecting sleeve devices are arranged on two sides in the micro-drip irrigation main body, communicating water pipes are also arranged on two sides in the micro-drip irrigation main body, the connecting sleeve devices on the same side are connected with the corresponding communicating water pipes, a water inlet pipe is arranged at the end part of each communicating water pipe, and the water inlet pipe is communicated with the connecting water pipes; a rotating shaft is arranged in the middle of the micro-drip irrigation main body through a bearing, a plurality of telescopic assemblies are arranged on the rotating shaft, drip irrigation pipes are arranged at the end parts of the telescopic assemblies, a plurality of openings are formed in the micro-drip irrigation main body, the positions of the openings correspond to those of the connecting sleeve devices, and the drip irrigation pipes penetrate through the connecting sleeve devices and the openings; the bottom end of the micro drip irrigation main body is provided with a conical column. According to the invention, through the arrangement of the integral structure, water is directly dripped into the straw biological fermentation product conveniently, the fermentation efficiency is improved, and the fermentation time is shortened.
Description
Technical Field
The invention relates to micro-drip irrigation equipment, in particular to micro-drip irrigation equipment for a straw bio-organic fertilizer.
Background
In the existing agricultural production, straws and livestock and poultry manure are usually used as fertilizers to be put into farmlands for use, so that energy waste and environmental pollution can be avoided, the soil fertility can be effectively improved, and the yield and income of crops can be increased. When the straws and the livestock and poultry manure are fermented, enough water needs to be provided, and the fermentation effect is ensured. When regularly adding water to the fermentation, generally directly spray water on the fermentation until moisture permeates the bottom of fermentation, this kind of mode of adding water, it is long consuming time, and cause the fermentation water content great easily, influence the fermentation effect. Therefore, it is required to design a micro drip irrigation device for conveniently injecting water into the inside of the fermented product.
Disclosure of Invention
The invention aims to provide a micro-drip irrigation device for straw bio-organic fertilizer. The drip irrigation device can directly drip irrigation water into the straw biological fermentation product conveniently, improves the fermentation efficiency, shortens the fermentation time, conveniently controls the drip irrigation amount and improves the fermentation effect.
The technical scheme of the invention is as follows: a micro-drip irrigation device for straw bio-organic fertilizer comprises a micro-drip irrigation main body, wherein a connecting water pipe is arranged at the top end of the micro-drip irrigation main body, a plurality of connecting sleeve devices are arranged on two sides inside the micro-drip irrigation main body, communicating water pipes are also arranged on two sides inside the micro-drip irrigation main body, the connecting sleeve devices on the same side are connected with the corresponding communicating water pipes, a water inlet pipe is arranged at the end part of each communicating water pipe, and the water inlet pipe is communicated with the connecting water pipes; a rotating shaft is arranged in the middle of the micro-drip irrigation main body through a bearing, a plurality of telescopic assemblies are arranged on the rotating shaft, drip irrigation pipes are arranged at the end parts of the telescopic assemblies, a plurality of openings are formed in the micro-drip irrigation main body, the positions of the openings correspond to those of the connecting sleeve devices, and the drip irrigation pipes penetrate through the connecting sleeve devices and the openings; the end part of the micro drip irrigation main body is provided with a cavity, two sides of the cavity are provided with openings, a knob is arranged in the cavity through a bearing, and a rotating shaft is connected with the axis of the knob; the bottom end of the micro drip irrigation main body is provided with a conical column.
Aforementioned equipment is driped irrigation a little to straw bio-organic fertilizer, the adapter sleeve device is equipped with the connecting pipe including fixing the sleeve pipe on driping irrigation a little the main part inner wall on the sheathed tube outer wall, and the connecting pipe is through pipeline and intercommunication water piping connection, and the connecting pipe is equipped with the connecting hole with sheathed tube connecting portion.
According to the micro drip irrigation equipment for the straw bio-organic fertilizer, the sleeve is sleeved outside the drip irrigation pipe, a water inlet hole is formed in one end of the drip irrigation pipe, a drip irrigation hole is formed in the other end of the drip irrigation pipe, and the position of the water inlet hole corresponds to the connecting hole.
According to the straw bio-organic fertilizer micro-drip irrigation equipment, the inner diameter of the sleeve is equal to the outer diameter of the drip irrigation pipe.
Aforementioned equipment is driped irrigation a little to straw bio-organic fertilizer, flexible subassembly rotates between two dysmorphism boards including fixing the dysmorphism board that two symmetries set up in the pivot and is equipped with the catch bar, and the tip of driping irrigation the pipe is equipped with the connection axostylus axostyle, and the tip and the connection axostylus axostyle of catch bar rotate to be connected.
According to the micro-drip irrigation equipment for the straw bio-organic fertilizer, the two ends of the connecting water pipe are provided with the connecting flanges.
According to the micro-drip irrigation equipment for the straw bio-organic fertilizer, scales are arranged on the knob, and the pointer is arranged at the bottom end of the cavity.
According to the micro-drip irrigation equipment for the straw bio-organic fertilizer, the filter screen is arranged outside the drip irrigation hole.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is provided with a connecting water pipe at the top end of a micro drip irrigation main body, a plurality of connecting sleeve devices are arranged at two sides inside the micro drip irrigation main body, sleeves are arranged on the inner wall of the micro drip irrigation main body, connecting pipes are arranged on the outer walls of the sleeves, the connecting pipes are connected with communicating water pipes through pipelines, connecting holes are arranged at the connecting parts of the connecting pipes and the sleeves, communicating water pipes are also arranged at two sides inside the micro drip irrigation main body, the connecting pipes are connected with corresponding communicating water pipes, water inlet pipes are arranged at the end parts of the communicating water pipes and are communicated with the connecting water pipes, a rotating shaft is arranged at the middle part inside the micro drip irrigation main body through a bearing, a plurality of telescopic assemblies are arranged on the rotating shaft, a drip irrigation pipe is arranged at the end part of the telescopic assemblies, a plurality of openings are arranged on the micro drip irrigation main body, the positions of the, the position of the water inlet hole corresponds to the connecting hole, the end part of the micro drip irrigation main body is provided with a cavity, two sides of the cavity are provided with openings, a knob is arranged in the cavity through a bearing, a rotating shaft is connected with the axle center of the knob, when the drip irrigation pipe is completely immersed in the micro drip irrigation main body in an initial state and is not aligned with the connecting hole, water cannot enter the drip irrigation pipe, when drip irrigation is needed, the connecting pipe is connected with a water tank, the water enters the communicating pipe through the water inlet pipe when passing through the connecting pipe and is injected into the connecting pipe through the communicating pipe, the knob is rotated, the position of the drip irrigation pipe in the sleeve is controlled through the telescopic component, so that the water inlet hole is aligned with the connecting hole, the water enters the drip irrigation pipe from the connecting pipe and flows out from the drip irrigation hole to drip irrigate the straw biological fermentation product, and the micro drip irrigation main body is inserted into the straw, the direct drip irrigation of water to the inside of straw biological fermentation thing is convenient, improves fermentation efficiency, shortens fermentation duration.
2. According to the drip irrigation pipe, the two symmetrically-arranged special-shaped plates fixed on the rotating shaft are arranged on the telescopic assembly, the push rod is rotatably arranged between the two special-shaped plates, the connecting shaft rod is arranged at the end part of the drip irrigation pipe, the end part of the push rod is rotatably connected with the connecting shaft rod, the knob is arranged in the cavity through the bearing, the rotating shaft is connected with the axis of the knob, the rotating knob can control the rotating shaft to rotate, the rotating shaft drives the special-shaped plates to rotate, the drip irrigation pipe can be driven to reciprocate in the sleeve through the transmission effect of the push rod and the connecting shaft rod, the alignment and rotation state of the water inlet and the connecting hole is controlled.
3. According to the invention, only the opening is formed in the pipe wall of the micro drip irrigation main body, and when drip irrigation is not carried out, the drip irrigation pipe is retracted into the micro drip irrigation main body, the opening is sealed by the drip irrigation pipe, the whole micro drip irrigation main body is in a sealed state, during drip irrigation, the drip irrigation pipe extends out, and the drip irrigation hole is provided with the filter screen.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the micro drip irrigation body according to the present invention;
FIG. 3 is a schematic view of the connection configuration of the connection sleeve apparatus of the present invention;
fig. 4 is a schematic view of the drip irrigation pipe connection structure of the present invention;
FIG. 5 is a schematic view of the structure of the connecting water pipe of the present invention;
fig. 6 is a schematic structural view of the telescoping assembly of the present invention.
The labels in the figures are: 1-micro drip irrigation body, 2-connecting water pipe, 3-connecting sleeve device, 4-connecting water pipe, 5-water inlet pipe, 6-rotating shaft, 7-telescopic component, 8-drip irrigation pipe, 9-opening, 10-cavity, 11-knob, 12-opening, 13-conical column, 14-sleeve, 15-connecting pipe, 16-connecting hole, 17-water inlet hole, 18-drip irrigation hole, 19-special-shaped plate, 20-pushing rod and 21-connecting shaft rod.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): a micro-drip irrigation device for straw bio-organic fertilizer is shown in figures 1-4 and comprises a micro-drip irrigation main body 1, wherein a connecting water pipe 2 is arranged at the top end of the micro-drip irrigation main body 1, connecting flanges are arranged at two ends of the connecting water pipe 2 to facilitate the connection of the connecting water pipe 2 and a water outlet pipe of a water tank, a plurality of connecting sleeve devices 3 are arranged on two sides of the interior of the micro-drip irrigation main body 1, as shown in figure 5, each connecting sleeve device 3 comprises a sleeve 14 fixed on the inner wall of the micro-drip irrigation main body 1, a connecting pipe 15 is arranged on the outer wall of each sleeve 14, each connecting pipe 15 is connected with a communicating water pipe 4 through a pipeline, and. Drip irrigation main part 1 inside both sides a little and still be equipped with intercommunication water pipe 4, with the connecting pipe 15 on a plurality of connecting sleeve device 3 of one side be connected with the intercommunication water pipe 4 that corresponds, the tip of intercommunication water pipe 4 is equipped with inlet tube 5, inlet tube 5 with connect water pipe 2 intercommunication, water in the water tank can be through connecting water pipe 2, inlet tube 5 and intercommunication water pipe 4 with water transport to connecting pipe 15 in. Pivot 6 is installed through the bearing in the middle part in the micro drip irrigation main part 1, be equipped with a plurality of flexible subassemblies 7 on the pivot 6, the tip of flexible subassembly 7 is equipped with drips irrigation pipe 8, as shown in fig. 6, flexible subassembly 7 is including fixing the sketch plate 19 that two symmetries set up in pivot 6, it is equipped with catch bar 20 to rotate between two sketch plates 19, the tip of driping irrigation pipe 8 is equipped with connecting shaft pole 21, the tip and the connecting shaft pole 21 of catch bar 20 rotate and are connected, control pivot 6 rotates, pivot 6 drives the sketch plate 19 rotatory, through catch bar 20 and the transmission effect of connecting shaft pole 21, can drive and drip irrigation pipe 8 and carry out reciprocating motion. The sleeve 14 is sleeved outside the drip irrigation pipe 8, the inner diameter of the sleeve 14 is equal to the outer diameter of the drip irrigation pipe 8, the sealing performance between the sleeve 14 and the drip irrigation pipe 8 is guaranteed, a water inlet 17 is arranged at one end of the drip irrigation pipe 8, a drip irrigation hole 18 is arranged at the other end of the drip irrigation pipe 8, a filter screen is arranged outside the drip irrigation hole 18, impurities in straw biological fermentation substances are prevented from entering the interior of the micro drip irrigation main body to block the device, the position of the water inlet 17 corresponds to the connecting hole 16, when the drip irrigation pipe 8 reciprocates, the overlapping position of the water inlet 17 and the connecting hole 16 is changed, when the water inlet 17 and the connecting hole 16 are not overlapped completely, the connecting hole 16 is blocked by the pipe body of the drip irrigation pipe 8, water does not enter the drip irrigation pipe 8 from the connecting pipe 15 and flows out from the drip irrigation hole 18, straw biological fermentation substances are subjected to drip irrigation, and when the water inlet 17 and the connecting hole 16 are, the drip irrigation quantity can be controlled by controlling the overlapping degree. The micro drip irrigation body 1 is provided with a plurality of openings 9, the positions of the openings 9 correspond to those of the connecting sleeve device 3, and the drip irrigation pipes 8 penetrate through the connecting sleeve device 3 and the openings 9. The end of the micro drip irrigation main body 1 is provided with a cavity 10, openings 12 are arranged on two sides of the cavity 10, a knob 11 is mounted in the cavity 10 through a bearing, a rotating shaft 6 is connected with the axis of the knob 11, scales are arranged on the knob 11, a pointer is arranged at the bottom end of the cavity 10, the position of a drip irrigation pipe 8 can be controlled by rotating the knob 11, the drip irrigation state is controlled, the drip irrigation amount can be accurately controlled through the matching of the scales and the pointer, and the straw biological fermentation effect is improved. The bottom end of the micro drip irrigation main body 1 is provided with the tapered column 13, and the tapered column 13 is inserted into the ground, so that the micro drip irrigation main body can be prevented from toppling.
Claims (8)
1. The utility model provides a little drip irrigation equipment of straw bio-organic fertilizer which characterized in that: the drip irrigation device comprises a micro drip irrigation main body (1), wherein a connecting water pipe (2) is arranged at the top end of the micro drip irrigation main body (1), a plurality of connecting sleeve devices (3) are arranged on two sides inside the micro drip irrigation main body (1), communicating water pipes (4) are also arranged on two sides inside the micro drip irrigation main body (1), the connecting sleeve devices (3) on the same side are connected with the corresponding communicating water pipes (4), a water inlet pipe (5) is arranged at the end part of each communicating water pipe (4), and the water inlet pipe (5) is communicated with the connecting water pipes (2); a rotating shaft (6) is mounted in the middle of the interior of the micro drip irrigation main body (1) through a bearing, a plurality of telescopic assemblies (7) are arranged on the rotating shaft (6), drip irrigation pipes (8) are arranged at the end parts of the telescopic assemblies (7), a plurality of openings (9) are formed in the micro drip irrigation main body (1), the positions of the openings (9) correspond to those of the connecting sleeve devices (3), and the drip irrigation pipes (8) penetrate through the connecting sleeve devices (3) and the openings (9); the end part of the micro drip irrigation main body (1) is provided with a cavity (10), two sides of the cavity (10) are provided with openings (12), a knob (11) is arranged in the cavity (10) through a bearing, and the rotating shaft (6) is connected with the axis of the knob (11); the bottom end of the micro drip irrigation main body (1) is provided with a conical column (13).
2. The straw bio-organic fertilizer micro-drip irrigation equipment according to claim 1, characterized in that: the connecting sleeve device (3) comprises a sleeve (14) fixed on the inner wall of the micro drip irrigation main body (1), a connecting pipe (15) is arranged on the outer wall of the sleeve (14), the connecting pipe (15) is connected with the communicating water pipe (4) through a pipeline, and a connecting part of the connecting pipe (15) and the sleeve (14) is provided with a connecting hole (16).
3. The straw bio-organic fertilizer micro-drip irrigation equipment as claimed in claim 2, wherein: the sleeve (14) is sleeved outside the drip irrigation pipe (8), one end of the drip irrigation pipe (8) is provided with a water inlet hole (17), the other end of the drip irrigation pipe (8) is provided with a drip irrigation hole (18), and the position of the water inlet hole (17) corresponds to the connecting hole (16).
4. The straw bio-organic fertilizer micro-drip irrigation equipment as claimed in claim 2, wherein: the inner diameter of the sleeve (14) is equal to the outer diameter of the drip irrigation pipe (8).
5. The straw bio-organic fertilizer micro-drip irrigation equipment according to claim 1, characterized in that: the telescopic assembly (7) comprises two symmetrically-arranged special-shaped plates (19) fixed on a rotating shaft (6), a push rod (20) is rotatably arranged between the two special-shaped plates (19), a connecting shaft rod (21) is arranged at the end part of the drip irrigation pipe (8), and the end part of the push rod (20) is rotatably connected with the connecting shaft rod (21).
6. The straw bio-organic fertilizer micro-drip irrigation equipment according to claim 3, characterized in that: and connecting flanges are arranged at two ends of the connecting water pipe (2).
7. The straw bio-organic fertilizer micro-drip irrigation equipment according to claim 3, characterized in that: scales are arranged on the knob (11), and a pointer is arranged at the bottom end of the cavity (10).
8. The straw bio-organic fertilizer micro-drip irrigation equipment according to claim 3, characterized in that: a filter screen is arranged outside the drip irrigation hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011100574.8A CN112219521B (en) | 2020-10-15 | 2020-10-15 | Straw bio-organic fertilizer micro-droplet irrigation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011100574.8A CN112219521B (en) | 2020-10-15 | 2020-10-15 | Straw bio-organic fertilizer micro-droplet irrigation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112219521A true CN112219521A (en) | 2021-01-15 |
| CN112219521B CN112219521B (en) | 2023-08-22 |
Family
ID=74112974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011100574.8A Active CN112219521B (en) | 2020-10-15 | 2020-10-15 | Straw bio-organic fertilizer micro-droplet irrigation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112219521B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040084552A1 (en) * | 2002-10-31 | 2004-05-06 | Huartson Warren Craig | Lawn and garden sprayer |
| CN208129103U (en) * | 2018-05-03 | 2018-11-23 | 山西省农业科学院果树研究所 | Fruit tree underground micro-irrigation device |
| US20190343054A1 (en) * | 2016-12-23 | 2019-11-14 | Ryan Ayres | Apparatus and method for irrigating plants |
| CN110463575A (en) * | 2019-08-20 | 2019-11-19 | 广西大学 | A kind of Mobile drip-irrigation and microspray irrigation fertilizer apparatus |
| CN210928994U (en) * | 2019-11-01 | 2020-07-07 | 安徽艾比德生物科技有限公司 | Simple drip irrigation vehicle capable of adjusting drip irrigation distance |
-
2020
- 2020-10-15 CN CN202011100574.8A patent/CN112219521B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040084552A1 (en) * | 2002-10-31 | 2004-05-06 | Huartson Warren Craig | Lawn and garden sprayer |
| US20190343054A1 (en) * | 2016-12-23 | 2019-11-14 | Ryan Ayres | Apparatus and method for irrigating plants |
| CN208129103U (en) * | 2018-05-03 | 2018-11-23 | 山西省农业科学院果树研究所 | Fruit tree underground micro-irrigation device |
| CN110463575A (en) * | 2019-08-20 | 2019-11-19 | 广西大学 | A kind of Mobile drip-irrigation and microspray irrigation fertilizer apparatus |
| CN210928994U (en) * | 2019-11-01 | 2020-07-07 | 安徽艾比德生物科技有限公司 | Simple drip irrigation vehicle capable of adjusting drip irrigation distance |
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| Publication number | Publication date |
|---|---|
| CN112219521B (en) | 2023-08-22 |
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