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
Crane main lifting fixed type gantry hook lifting position detection device and application thereof
Ground unfolding device suitable for solar wings of different structural forms
High-rigidity and high-damping satellite platform configuration