Light large-torque high-rigidity variable speed bicycle chain wheel assembly structure
Control method and system for guiding AGV intelligent vehicle based on vision
Automobile part disassembling and assembling supporting frame
Tool for vertically hoisting and mounting pipeline and hoisting method of the tool
Power assisting mechanism of multi-loop hydraulic cylinder body
Automobile and multi-connecting-rod folding seat thereof
Wheel-track combined type chassis for mountainous region operation
Battery remaining capacity display method, device and system and vehicle
Discharging and charging available power determination method of power battery
Lifting device, casting dummy ingot device and casting dummy ingot method