Austenite light wear-resistant steel as well as preparation method and application thereof
Auxiliary device and method for building scaffold construction
Centralized charging and distributed battery changing system
Communication method of battery swap vehicle and battery swap station
Construction ventilation system in thin film type LNG cabin
Deep-sea mining ship system and operation method thereof
Double-motor independent drive five-gear transmission device for tracked vehicle
Dynamic self-adjusting floating dock supporting system
Flexible battery changing station capable of self-adapting to battery size
Floating dock electro-magnetic suspension lifting system based on load self-balancing
Gas-electricity graded heating system for freezing prevention of polar region ship stairs
Global vehicle owner ecological enabling network service system
Goods transport ship provided with LNG (Liquefied Natural Gas) fuel cabin
High-voltage line patrol robot based on dual-rotor unmanned aerial vehicle
Integrated transmission device for braking, speed changing and steering functions of tracked vehicle