Multi-parameter water quality detection system and method for unmanned ship
Gantry type automatic crane and operating method thereof
Large-cabin-capacity ship and inner shell arrangement method of large-cabin-capacity ship
Prefabricated part overturning lifting appliance and using method thereof
Regulating and damping peripheral side fastening type forklift frame
Unmanned aerial vehicle parking device and unmanned aerial vehicle system
Automobile pedestrian protection method and automobile front bumper safety airbag
Numerical prediction of the development of rail wear on high-speed railways
Jib mechanism of tower crane and working method of jib mechanism
Hybrid transmission with high-speed self-disengaging function