Compact hydraulic tail gate with lifting function and control method thereof
Design method of watertight/weather-tight special opening and closing door for unmanned ship
Electrically-controlled transport ladder piece for photovoltaic panels
Fault removing device capable of being used as end plough and railway vehicle
Fixed electric bicycle centralized anti-theft management system and using method thereof
Lane vehicle detection control device, system and method
MULTI-ELEVATOR VERTICALLY-LIFTING THREE-DIMENSIONAL PARKING GARAGE
Multifunctional intelligent water surface garbage cleaning ship
Neutron shielding polymer composite material, preparation method, wire rod and application
Shell-free counterweight and preparation method and application thereof
Tool for transporting light partition wall and manufacturing method thereof
Tower crane embedded section supporting horse stool system and construction method thereof
Train ground door linkage control method and device, platform door controller and medium
Turnout grinding wagon body structure and grinding wagon
Water body surface layer intelligent cleaning device and method under hydrodynamic condition