CN112233826A - Pressure vessel takes over inside combined type and sweeps and looks into device - Google Patents
Pressure vessel takes over inside combined type and sweeps and looks into device Download PDFInfo
- Publication number
- CN112233826A CN112233826A CN202011047987.4A CN202011047987A CN112233826A CN 112233826 A CN112233826 A CN 112233826A CN 202011047987 A CN202011047987 A CN 202011047987A CN 112233826 A CN112233826 A CN 112233826A
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- China
- Prior art keywords
- connecting pipe
- tray
- cylinder
- scanning device
- frame
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- 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.)
- Pending
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- 239000002131 composite material Substances 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims description 51
- 238000007689 inspection Methods 0.000 abstract description 47
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/003—Remote inspection of vessels, e.g. pressure vessels
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to the field of machinery, and particularly relates to a composite scanning device for the interior of a pressure vessel connecting pipe. The nuclear power plant reactor pressure vessel takes over the size less, and requires the inspection object many, and the inspection scope is wide, in order to improve inspection efficiency and inspection scope, designs this device. The device comprises a composite scanning device in the connecting pipe, a linear expansion device and a rotating device; the composite scanning device in the connecting pipe is connected with the linear expansion device and the rotating device at the rear end through a screw A. The device has high checking efficiency and wide checking range, and saves the equipment space.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a composite scanning device for the interior of a pressure vessel connecting pipe.
Background
The nuclear power plant reactor pressure vessel connecting pipe has small size, a plurality of required inspection objects and wide inspection range, and in order to improve the inspection efficiency and realize the one-time installation of inspection equipment and the full-range inspection coverage of a plurality of inspection objects on the premise of meeting the inspection requirements, a nuclear power plant reactor pressure vessel connecting pipe internal composite scanning device must be designed.
Disclosure of Invention
1. The purpose is as follows:
on the premise of ensuring the inspection requirement, the implementation of one-time installation of equipment, multiple inspection objects and multiple inspection methods is realized, the inspection efficiency of the equipment is improved, and the composite type scanning device for the interior of the connecting pipe of the reactor pressure vessel of the nuclear power plant is developed.
2. The technical scheme is as follows:
a composite scanning device for the interior of a pressure vessel connecting pipe comprises a composite scanning device for the interior of the connecting pipe, a linear expansion device and a rotating device; the composite scanning device in the connecting pipe is connected with a linear expansion device and a rotating device at the rear end through a screw A; the composite scanning device in the connecting pipe comprises a camera, a connecting pipe safety end tray probe, a connecting pipe inner side tray, a centering device and a cylinder telescopic part; the camera and the centering device are installed at the foremost end of the composite scanning device in the connecting pipe, the camera and the centering device are connected with the connecting pipe safety end tray through screws, and the connecting pipe safety end tray is connected with the connecting pipe inner side tray at the rear end through a connecting pipe A.
The tray on the inner side of the connecting pipe is connected with the cylinder telescopic part through a connecting pipe B, and the cylinder telescopic part is connected with the linear telescopic device and the rotating device at the rear end through a connecting piece and a screw.
The tray at the inner side of the connecting pipe comprises a nut, a spring pull rod A, a spring pull rod B, a tray frame, a probe frame, a pin screw, an ultrasonic probe, a probe frame connecting piece, a pneumatic joint and a pneumatic rod; the probe frame is fixed on the probe frame connecting piece through a pin screw, and the ultrasonic probe is fixed in the probe frame through a screw; probe frame connecting piece and tray frame.
The upper side and the lower side of the tray frame are symmetrically distributed, four groups of springs are symmetrically arranged on two sides of the tray frame, a spring pull rod A and a spring pull rod B are arranged on two sides of each spring, one end of the spring pull rod A is connected with the probe frame connecting piece through a nut, and the other end of the spring pull rod A is connected with the springs.
The other side of the spring is connected with a spring pull rod B, and the other side of the spring pull rod B is fixed on the tray frame; an air cavity communicated up and down is arranged in the tray frame, pneumatic rods symmetrically penetrate through the air cavity, the pneumatic rods are connected with a probe frame through screws, and pneumatic connectors are arranged on the air cavity of the tray frame.
The cylinder telescopic part consists of a cylinder seat, a sliding block, a guide rail A, a cylinder connecting piece, a cylinder, a connecting piece, a connecting pipe B, a cylinder connecting piece, a cylinder fixing seat, a cylinder fixing nut and a locking pin; the air cylinder seat is connected with the connecting piece through a screw, the air cylinder is fixed on the air cylinder seat through an air cylinder fixing seat, an air cylinder movement piston rod is connected with a connecting pipe B through an air cylinder fixing nut, and the connecting pipe B is connected with the air cylinder connecting piece.
The double-slider is symmetrically fixed on two sides of the cylinder seat, and the guide rails are installed on two sides of the cylinder connecting piece and guide linear motion.
The ultrasonic probe installed in the probe frame can rotate around the pin screw at a small angle.
3. The effect is as follows:
(1) a multi-region integrated inspection mechanism in a connecting pipe. An examination apparatus is realized which allows for an ultrasound examination of different examination areas in the nozzle.
(2) And taking over a multi-region multi-method inspection mode in the tube. The inspection device can realize ultrasonic inspection and video inspection of different areas in the connection pipe.
(3) The mechanism is integrated to take over the tray mechanism for checking the inner side of the pipe. By utilizing the structural characteristics of the tray frame, the tray frame is designed into a cylinder rigid body, the size and space of the equipment are saved, and the flexible attachment of the probe and the inner wall of the connecting pipe is realized.
Drawings
FIG. 1 shows the structure of a composite scanning device inside a connecting pipe
FIG. 2 shows the structure of the composite scanning device inside the connection tube
FIG. 3 is a structural view of an inner tray of the adapter
FIG. 4 is a view showing the inner structure of the inner tray of the adapter
FIG. 5 is a cross-sectional view A of the inside of the joint pipe for compound scanning
FIG. 6 is a view showing the telescopic cross section of the composite scanning device inside the connecting pipe
In the figure: 1. the device comprises a camera, 2, a connecting pipe safe end tray probe, 3, a connecting pipe inner side tray, 4, a cylinder seat, 5, a sliding block, 6, a guide rail A, 7, a connecting piece, 8, a screw A, 9, a centering device, 10, a connecting pipe safe end tray, 11, a connecting pipe A, 12, a connecting pipe B, 13, a screw B, 14, a cylinder connecting piece, 15, a nut, 16, a spring pull rod A, 17, a spring, 18, a spring pull rod B, 19, a tray frame, 20, a probe frame, 21, a pin screw, 22, an ultrasonic probe, 23, a probe frame connecting piece, 24, a pneumatic connector, 25, a cylinder, 26, a cylinder fixing seat, 27, a cylinder fixing nut, 28, a locking pin, 29, a pneumatic rod, 30 and a cylinder telescopic component.
Detailed Description
The nuclear power plant reactor pressure vessel connecting pipe internal composite scanning device adopts a module design and consists of a camera 1, a connecting pipe safe end tray probe 2, a connecting pipe inner side tray 3, a connecting piece 7, a centering device 9, a connecting pipe safe end tray 10, a connecting pipe A11, a connecting pipe B12 and a cylinder telescopic part 30. The composite scanning device in the connecting pipe is connected with the linear telescopic motion and the rotary motion at the rear end through a screw A8, the camera 1 and the centering device 9 are installed at the foremost end of the composite scanning device in the connecting pipe and are connected with a connecting pipe safety end tray 10 through screws, the connecting pipe safety end tray 10 is connected with a connecting pipe inner side tray 3 at the rear end through a connecting pipe A11, the connecting pipe inner side tray 3 is connected with a cylinder telescopic component 30 through a connecting pipe B12, the cylinder telescopic component 30 is connected with the linear telescopic motion and the rotary motion at the rear end through a connecting piece 7 and a screw 8, and the scanning device can be inspected at different inspection positions in the connecting pipe through the linear telescopic motion and the rotary motion and the cylinder action of the cylinder telescopic component 30 at the front end.
The tray 3 at the inner side of the connecting pipe consists of a nut 15, a spring pull rod A16, a spring 17, a spring pull rod B18, a tray frame 19, a probe frame 20, a pin screw 21, an ultrasonic probe 22, a probe frame connecting piece 23, a pneumatic connector 24 and a pneumatic rod 29. Two or more probe frame connecting pieces 23 are symmetrically distributed on the upper side and the lower side of the tray frame 19 through screws, the probe frame 20 is fixed on the probe frame connecting pieces 23 through pin screws 21, the ultrasonic probe 22 is fixed in the probe frame 20 through screws, and the ultrasonic probe 22 installed in the probe frame 20 can rotate around the pin screws 21 at a small angle. A plurality of groups of springs 17 are symmetrically arranged on two sides of the tray rack 19, spring pull rods A16 and B18 are arranged on two sides of the springs 17, one end of each spring pull rod A16 is connected with the probe frame connecting piece 23 through a nut 15, and the other end of each spring pull rod A is connected with the corresponding spring. The other side of the spring 17 is connected with a spring pull rod B18, and the other side of the spring pull rod B is fixed on the tray rack 19. An air cavity communicated up and down is arranged in the tray frame 19, pneumatic rods 29 symmetrically penetrate through the air cavity, the pneumatic rods 29 are connected with a probe frame connecting piece 23 through screws, a pneumatic connector 24 is arranged on the air cavity of the tray frame 19, the ultrasonic probe 22 is radially stretched in the connecting pipe through pneumatic control, and the ultrasonic probe 22 is attached to the inner wall of the connecting pipe.
The cylinder telescopic part 30 consists of a cylinder seat 4, a slide block 5, a guide rail A6, a cylinder connecting piece 14, a cylinder 25, a connecting piece 7, a connecting pipe B12, the cylinder connecting piece 14, the cylinder 25, a cylinder fixing seat 26 and a cylinder fixing nut 27 locking pin 28. The cylinder seat 4 is connected with the connecting piece 7 through a screw, the cylinder 25 is fixed on the cylinder seat 4 through a cylinder fixing seat 26, a moving piston rod of the cylinder 25 is connected with a connecting pipe B12 through a cylinder fixing nut 27, and the connecting pipe B12 is connected with the cylinder connecting piece 14. The double-slider 5 is symmetrically fixed on two sides of the cylinder block 4, and the guide rails 6 are arranged on two sides of the cylinder connecting piece 14 and guide linear motion. When the air cylinder 25 acts, the air cylinder moving piston rod pushes the air cylinder connecting piece 14 to move, and the connecting pipe inner side tray 3, the connecting pipe safe end tray 10, the camera 1 and the centering device 9 at the front end are driven to move. The centering device 9 measures whether the installation of the inspection device in the pipeline is on the axis of the connecting pipe, the camera 1 performs video inspection in the connecting pipe, the connecting pipe safe end tray 10 performs welding seam inspection of the connecting pipe safe end, and the connecting pipe inner side tray 3 realizes ultrasonic inspection of the connecting pipe inner side of the connecting pipe and the cylinder connecting welding seam.
The combined type scanning device in the connecting pipe of the reactor pressure vessel of the nuclear power plant is arranged on a carrying platform which drives the whole linear motion and the rotary motion of the detection device. When the inspection device moves to the connection pipe opening accessory, the cylinder telescopic part stretches out to act, the centering device at the front end of the inspection device can move to the inner side of the connection pipe, the centering device is driven to rotate for a circle by disturbing the axis of the centering device in the connection pipe through rotary motion, and the circumferential positioning of the inspection device in the connection pipe is measured.
After the positioning is finished, the tray at the safe end of the connecting pipe is moved to the position close to the safe end of the connecting pipe by the linear motion device, the tray probe at the inner side of the connecting pipe is in a contraction state, the linear motion device and the rotary motion device drive the inspection device to move, and then the ultrasonic inspection and the video inspection of the safe end area of the connecting pipe are carried out.
When the ultrasonic inspection of the inner side of the connecting pipe is carried out, the tray on the inner side of the connecting pipe moves to scan the area on the inner side of the connecting pipe, the tray on the inner side of the connecting pipe is ventilated to act, the probe is attached to the inner wall of the connecting pipe, the linear motion device and the rotary motion device drive the inspection device to move, and then the ultrasonic inspection and the video inspection of the area on the inner side of the connecting.
The invention realizes that:
(1) a multi-region integrated inspection mechanism in a connecting pipe. Different inspection tools are integrated on one mechanism, so that the ultrasonic inspection of different inspection areas in the connecting pipe can be realized by one inspection device, and the welding line inspection of the safe end of the connecting pipe and the inner side inspection of the connecting pipe cylinder connecting welding line can be realized.
(2) And taking over a multi-region multi-method inspection mode in the tube. The ultrasonic and video inspection tools are integrated on one tool, and the inspection device can realize the ultrasonic inspection and the video inspection of different areas in the connection pipe.
(3) The mechanism is integrated to take over the tray mechanism for checking the inner side of the pipe. The pallet frame is designed into a cylinder rigid body by utilizing the structural characteristics of the pallet frame, the probe frame connecting piece is driven to move by utilizing the piston rod, the size and space of the equipment are saved by pneumatically controlling the attaching device of the probe and the inner wall of the connecting pipe, and the flexible attaching of the probe and the inner wall of the connecting pipe is realized.
Claims (8)
1. The utility model provides an inside combined type scanning device of pressure vessel takeover which characterized in that: comprises a composite scanning device inside a connecting pipe, a linear expansion device and a rotating device; the composite scanning device in the connecting pipe is connected with a linear expansion device and a rotating device at the rear end through a screw A (8); the composite scanning device in the connecting pipe comprises a camera (1), a connecting pipe safe end tray probe (2), a connecting pipe inner side tray (3), a centering device (9) and an air cylinder telescopic component; the camera (1) and the centering device (9) are installed at the foremost end of the composite scanning device in the connecting pipe, the camera and the centering device are connected with the connecting pipe safe end tray (10) through screws, and the connecting pipe safe end tray (10) is connected with the connecting pipe inner side tray (3) at the rear end through a connecting pipe A (11).
2. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 1, wherein: the tray (3) at the inner side of the connecting pipe is connected with a cylinder telescopic part (30) through a connecting pipe B (12), and the cylinder telescopic part (30) is connected with a linear telescopic device and a rotating device at the rear end through a connecting piece (7) and a screw (8).
3. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 2, wherein: the adapter tube inner side tray (3) comprises a nut (15), a spring pull rod A (16), a spring (17), a spring pull rod B (18), a tray frame (19), a probe frame (20), a pin screw (21), an ultrasonic probe (22), a probe frame connecting piece (23), a pneumatic joint (24) and a pneumatic rod (29); the probe frame (20) is fixed on the probe frame connecting piece (23) through a pin screw (21), and the ultrasonic probe (22) is fixed in the probe frame (20) through a screw; a probe frame connecting piece (23) and a tray frame (19).
4. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 2, wherein: the upper side and the lower side of the tray frame (19) are symmetrically distributed, four groups of springs (17) are symmetrically arranged on two sides of the tray frame (19), spring pull rods A (16) and spring pull rods B (18) are arranged on two sides of the springs (17), one end of each spring pull rod A (16) is connected with the probe frame connecting piece (23) through a nut (15), and the other end of each spring pull rod A is connected with the corresponding spring (17).
5. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 4, wherein: the other side of the spring (17) is connected with a spring pull rod B (18), and the other side of the spring pull rod B (18) is fixed on a tray frame (19); an air cavity communicated up and down is arranged in the tray frame (19), pneumatic rods (29) are symmetrically penetrated in the air cavity, the pneumatic rods (29) are connected with the probe frame connecting piece (23) through screws, and pneumatic connectors (24) are arranged on the air cavity of the tray frame (19).
6. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 2, wherein: the cylinder telescopic part (30) consists of a cylinder seat (4), a sliding block (5), a guide rail A (6), a cylinder connecting piece (14), a cylinder (25), a connecting piece (7), a connecting pipe B (12), the cylinder connecting piece (14), the cylinder (25), a cylinder fixing seat (26), a cylinder fixing nut (27) and a locking pin (28); the air cylinder seat (4) is connected with the connecting piece (7) through a screw, the air cylinder (25) is fixed on the air cylinder seat (4) through an air cylinder fixing seat (26), a moving piston rod of the air cylinder (25) is connected with the connecting pipe B (12) through an air cylinder fixing nut (27), and the connecting pipe B (12) is connected with the air cylinder connecting piece (14).
7. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 6, wherein: the double sliding blocks (5) are symmetrically fixed on two sides of the cylinder seat (4), and the guide rails (6) are installed on two sides of the cylinder connecting piece (14) and guide linear motion.
8. The internal composite scanning device for the connecting pipe of the pressure vessel as claimed in claim 3, wherein: an ultrasonic probe (22) mounted in the probe frame (20) is rotatable through a small angle about the pin screw (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047987.4A CN112233826A (en) | 2020-09-29 | 2020-09-29 | Pressure vessel takes over inside combined type and sweeps and looks into device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047987.4A CN112233826A (en) | 2020-09-29 | 2020-09-29 | Pressure vessel takes over inside combined type and sweeps and looks into device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112233826A true CN112233826A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011047987.4A Pending CN112233826A (en) | 2020-09-29 | 2020-09-29 | Pressure vessel takes over inside combined type and sweeps and looks into device |
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| CN (1) | CN112233826A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187111A (en) * | 2011-12-28 | 2013-07-03 | 核动力运行研究所 | Ultrasonic testing tool for welding line of safety injection pipe of pressure vessel in nuclear power station |
| CN104183289A (en) * | 2013-05-24 | 2014-12-03 | 核动力运行研究所 | Testing device for welded joints of steam generator adapter tube |
| WO2015180521A1 (en) * | 2014-05-29 | 2015-12-03 | 中广核检测技术有限公司 | Nondestructive detection robot for pressure vessel of nuclear reactor, and detection method therefor |
| CN105810265A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Ultrasonic detection apparatus for filleted corner of water inlet adapter tube of nuclear reactor pressure vessel |
| CN105810267A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Ultrasonic detection apparatus for intersecting surface of adapter tubes of nuclear reactor pressure vessel |
| WO2018121683A1 (en) * | 2016-12-30 | 2018-07-05 | 核动力运行研究所 | Ultrasonic inspection system of vertical connection pipe inner wall of steam generator of nuclear reactor |
| CN108257693A (en) * | 2016-12-29 | 2018-07-06 | 核动力运行研究所 | A kind of reactor pressure vessel outer surface scanning equipment |
| CN109406634A (en) * | 2018-12-21 | 2019-03-01 | 核动力运行研究所 | A kind of probe laminating apparatus for weld seam detection |
| CN215450914U (en) * | 2020-09-29 | 2022-01-07 | 核动力运行研究所 | Pressure vessel takes over inside combined type and sweeps and looks into device |
-
2020
- 2020-09-29 CN CN202011047987.4A patent/CN112233826A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187111A (en) * | 2011-12-28 | 2013-07-03 | 核动力运行研究所 | Ultrasonic testing tool for welding line of safety injection pipe of pressure vessel in nuclear power station |
| CN104183289A (en) * | 2013-05-24 | 2014-12-03 | 核动力运行研究所 | Testing device for welded joints of steam generator adapter tube |
| WO2015180521A1 (en) * | 2014-05-29 | 2015-12-03 | 中广核检测技术有限公司 | Nondestructive detection robot for pressure vessel of nuclear reactor, and detection method therefor |
| CN105810265A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Ultrasonic detection apparatus for filleted corner of water inlet adapter tube of nuclear reactor pressure vessel |
| CN105810267A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Ultrasonic detection apparatus for intersecting surface of adapter tubes of nuclear reactor pressure vessel |
| CN108257693A (en) * | 2016-12-29 | 2018-07-06 | 核动力运行研究所 | A kind of reactor pressure vessel outer surface scanning equipment |
| WO2018121683A1 (en) * | 2016-12-30 | 2018-07-05 | 核动力运行研究所 | Ultrasonic inspection system of vertical connection pipe inner wall of steam generator of nuclear reactor |
| CN109406634A (en) * | 2018-12-21 | 2019-03-01 | 核动力运行研究所 | A kind of probe laminating apparatus for weld seam detection |
| CN215450914U (en) * | 2020-09-29 | 2022-01-07 | 核动力运行研究所 | Pressure vessel takes over inside combined type and sweeps and looks into device |
Non-Patent Citations (1)
| Title |
|---|
| 王俊涛;王龙;陈姝;张军;: "反应堆压力容器接管安全端超声检查装置设计研究", 机械工程师, no. 01, 10 January 2015 (2015-01-10) * |
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