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
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
Floating dock electro-magnetic suspension lifting system based on load self-balancing
Wave blocking slope plate device for amphibious operation of roll-on-roll-off ship
Watertight springboard door equipment for lightering operation between roll-on-roll-off ships
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
Communication method of battery swap vehicle and battery swap station