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person:("LI yanhui")
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person:("LI yuhui")
Circuit control method and pre-charging circuit after powering-on of power battery
Lane AI intelligent automatic control height-limiting road closure device
Vibration and noise reduction device, compressor and vehicle-mounted air conditioner
Rotating-type derrick shifting and transporting dragging seat
Chain guide piece, chain type manual device and winch type power equipment
Multi-point synchronous mechanical lifting and dragging device
Integral derrick moving and transporting device and moving and transporting method thereof
Telescopic transformer substation protection verification auxiliary trolley
Submarine cable inspection method and device, computer equipment and storage medium
Self-moving rail transit three-dimensional scanning system