Wind-solar-coupling foundation-pit-less energy-saving elevator system based on Internet of Things
Winch drum structure with built-in mining switched reluctance outer rotor motor
Wild animal and plant biodiversity protection monitoring equipment
White vehicle body with electromagnetic shielding function
Wheel structure with welcome function and method for controlling welcome light on wheel
Wave rider lateral course stability optimization method and system
Water source environment risk early warning device and method
Water quality analysis and treatment integrated unmanned ship and control system thereof
Waterproof method for wire harness plug of pure electric off-highway rigid mine truck
Waterproof and ventilated cabin door of pure electric bus
Water area multi-element detection intelligent collision avoidance early warning system