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
Vertical rope ladder storage device for paper pulp transport ship
Auxiliary device and method for building scaffold construction
Deep-sea mining ship system and operation method thereof
Watertight springboard door equipment for lightering operation between roll-on-roll-off ships
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
Wave blocking slope plate device for amphibious operation of roll-on-roll-off ship
Flexible battery changing station capable of self-adapting to battery size
Communication method of battery swap vehicle and battery swap station
Liftable support for building engineering construction
Global vehicle owner ecological enabling network service system
High-voltage line patrol robot based on dual-rotor unmanned aerial vehicle
Goods transport ship provided with LNG (Liquefied Natural Gas) fuel cabin
Novel two-way opening and closing gangplank door equipment for roll-on-roll-off ship