Accurate parking method for underground coal mine electric locomotive
A HORIZONTALLY MOVABLE VERTICAL SHAFT ROPE GUIDE AND REGULATING METHOD THEREOF
Air conditioner compressor mounting structure and vehicle
Apparatus and method for detecting interlayer friction of steel wire rope of winding-type hoist
Assembled culvert prefabricated part hoisting and transporting integrated device and method
Asteroid mining device and method driven by solar cell array
Automatic driving vehicle-mounted sensor offset diagnosis method and device
Automatic unhooking and placing device for four-foot hollow square blocks and construction method
Automobile hand brake pad calibration device and control method thereof
Battery replacing and charging system for an electric automobile
Block crossing operation equipment and block crossing operation method