Novel water jet propulsion device for small and medium-sized ships
Ocean platform lifting gravity energy storage and cyclic utilization device
Offshore measurement equipment and data transmission method
Offshore photovoltaic and wave power generation floating system and floating platform thereof
Offshore photovoltaic floating body and offshore photovoltaic system
Offshore photovoltaic floating body and offshore photovoltaic system
Offshore photovoltaic wave dissipation embankment and offshore photovoltaic system
Offshore photovoltaic wave dissipation embankment and offshore photovoltaic system
Open type stabilization floating foundation and offshore wind turbine generator
Operation and maintenance ship boarding equipment and operation and maintenance ship
Overhead ground wire chain cable mixed type short-distance universal lifting device
Overhead line obstacle removing device and method based on deep learning
Parking lot management system and method based on cloud platform
Parking lot vacancy prompting method and device, terminal equipment and storage medium
Parking lot vehicle searching method, system and device and storage medium
Parking mode determination method and device, electronic equipment and storage medium
Parking space management method, server, user terminal and storage medium
Platform oscillating water column type wave power generation device
Plug connector device, battery quick-change system and automobile
Posture adjustment control device, vehicle sensing self-adaptive retractor and seat assembly
Power control method and system in plateau environment and vehicle
Power system of dual-power operation vehicle and rail vehicle
Pre-tensioning test method for mooring steel wire rope of floating type fan
Pre-tightening force limiting retractor and safety belt device
Pre-tightening loading device suitable for spacecraft pressing mechanism
Pure electric vehicle air conditioner control method, device and equipment and storage medium