New energy charging pile capable of reducing self power consumption based on wind power generation
Energy-saving and environment-friendly self-driven tire with self-extinguishing function
Energy-saving and environment-friendly self-driven tire capable of improving tire driving efficiency
Self-generating tire capable of improving automobile transmission efficiency
Self-generating tire with efficient solar energy gathering function
Outer plate repairing auxiliary device in ship mooring state and using method
Method for measuring allowance of ship installation anchor platform
Installation method for hydraulic coupler of ship shafting
Auxiliary mounting device for ship tail shaft and method for mounting tail shaft
Ship cable cabin penetrating piece and sealing method
Ship kingston valve box accessory repair auxiliary device and using method
Method for installing large split type base by adopting auxiliary device
Installation method of ship wall-mounted electrical equipment
Ship turbine with cooling and heat dissipation protection device