Centralized charging and distributed battery changing system
Gas-electricity graded heating system for freezing prevention of polar region ship stairs
Austenite light wear-resistant steel as well as preparation method and application thereof
Double-motor independent drive five-gear transmission device for tracked vehicle
Integrated transmission device for braking, speed changing and steering functions of tracked vehicle
Auxiliary device and method for building scaffold construction
Vertical rope ladder storage device for paper pulp transport ship
Deep-sea mining ship system and operation method thereof
Watertight springboard door equipment for lightering operation between roll-on-roll-off ships
Wave blocking slope plate device for amphibious operation of roll-on-roll-off ship
Floating dock electro-magnetic suspension lifting system based on load self-balancing
Construction ventilation system in thin film type LNG cabin
Dynamic self-adjusting floating dock supporting system
Flexible battery changing station capable of self-adapting to battery size