High-reliability steel wire rope and steel strand traction device and method
Fabricated lifting lug structure and lifting construction method thereof
Base of door suction piece, door suction assembly and ship
Intelligent weeding device with collection and separation functions
Automatic mounting device for rain sewage concrete pipeline
Automatic pull rope type four-connecting-rod hinge mechanism for opening and closing hood
Switching mechanism for one-machine multi-point driving turnout movable point rail frog
Offshore photovoltaic wave dissipation embankment and offshore photovoltaic system
Offshore photovoltaic wave dissipation embankment and offshore photovoltaic system
Assembly type floor veneer integrated board convenient to hoist
Unmanned transportation and feeding method and system for building 3D printing bagged materials
Urban road comprehensive rod piece and management information system
Electric covering cap angle control circuit and control method
Platform linkage type lifting safety protective fence