Multifunctional hoisting tool suitable for various satellites and working method thereof
High-voltage direct-current urban rail transit traction power supply system
Rapid replacement device and method of pickling-rolling looping steel wire rope
Redundancy control method and device for vehicle-mounted display device
Double-module floating platform offshore mounting structure and mounting method
Movable floating wharf anchoring device and mooring method
Ground unfolding device suitable for solar wings of different structural forms
Crane main lifting fixed type gantry hook lifting position detection device and application thereof
High-rigidity and high-damping satellite platform configuration
Battery car opposite running detecting and recording system
Guard car adapting to different coupling modes and capable of realizing lookout from middle portion