X-ray continuous detection mechanical device and process method for launch box guide rail casting
Unmanned surveying vessel with anti-collision function
Trailing arm guide plate, trailing arm assembly and vehicle
System and method for acquiring vehicle information by charging pile
Satellite ocean buoy data transceiving control system
Robot inspection lifting mechanism, robot and lifting control method
Robot for cleaning surface of underwater cylindrical pier and cleaning method
Power supply controller, vehicle and power distribution control method
Parachute working condition automatic detection system and detection method thereof
Movable mechanical helicopter take-off and landing system