Unmanned aerial vehicle indoor mapping and positioning method for ship detection
Design method of ship smoke prevention partition based on mobile smoke exhaust device
Automatic unloading and feeding device for rod-shaped materials
Control method and device, electronic equipment and storage medium
Marine centralized air conditioning device and air supply temperature and humidity adjusting method
Sliding energy feedback method, device and equipment and computer readable storage medium
Empennage of position indicating and communication device of underwater vehicle
Control method of monoaxial parallel hybrid power system
Underwater multi-layer load loading and releasing device