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Intelligent crane ship based on offshore bridge construction
Marine navigation aid system and method based on rotary cylinder sail
Marine rotary drum sail system based on energy storage device
Cabin ventilation device with air draft function and implementation method thereof
Simulation test method and device for road and scene in automatic driving
Automatic stable posture seabed base and releasing method
AUTOMATIC STABLE POSTURE SEABED BASE AND RELEASING METHOD
Water pump fixing support structure capable of adjusting direction of water outlet