Underwater vehicle and sonar transducer protection device thereof
Sail propelling device based on rotary drum sail and ship
Unmanned charging system based on isotope power supply
Electric pressing type spare tire carrier lifting system with self-adaptive pressing force
Air pressure type anti-rolling floating foundation and offshore wind turbine generator
Driving speed analysis method in vehicle collision accident
Safe operation method and device for train in platform area
Inclination angle control device for heavy-load platform
Lifting type wind power navigation aiding device and ship
Material collecting and transferring device capable of preventing dust raising
Transmission system processing method after rough and violent landing of helicopter
EMS lifting appliance capable of simultaneously dropping and loading middle axle and rear axle
Multi-PFC connection system stability evaluation method based on impedance model