High-voltage direct-current urban rail transit traction power supply system
Rapid replacement device and method of pickling-rolling looping steel wire rope
Multifunctional hoisting tool suitable for various satellites and working method thereof
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
Accident data and feature factor-based accident multi-occurrence point recommendation method
Cab heating system, control method thereof and vehicle heat management system
Opening and closing mechanism supporting and connecting device and covered hopper car
Lightweight traction beam assembly for heavy-duty truck
Space chopstick tool for space target racemization capture and flexible control
Suspension damping device and AGV (Automatic Guided Vehicle)
Reliable separation system and method for service space separation load
Self-locking multi-air-supply-port synchronous control system
Automatic arrangement anti-climbing device of barrier setting vehicle
Auxiliary supporting rod assembly and coal mining machine walking box hoisting method
LARGE-VOLUME GRAIN HOPPER CAR SUITABLE FOR LOW-LOADING HOPPER BIN
Intelligent charging method, device and equipment for electric vehicle and medium
Underwater repairing method for left and right suction ports of trailing suction dredger
Top lookout type double-layer guard bus for getting on bus in middle
Windshield alcohol anti-icing system integrated structure
Airplane multi-gas-cylinder centralized oxygen supply system and method