Tire mold, pneumatic tire surface decorative rib and application thereof
Heating and ventilation pipeline vertical hoisting construction system
Underwater vehicle model and method suitable for multi-working-condition floating icebreaking test
Simulation jet propulsion device and simulation jet propulsion method based on thermal fluid warming
FRUSTUM-DESIGNED RADAR REFLECTOR FOR ELEVATOR POSITIONING
Modular protection pipe unit, protection pipe device and ship
High-pressure water pump control method based on engine control, controller and vehicle
Coupler knuckle, preparation method thereof and railway vehicle
Automatic hidden lifting point mechanism for underwater vehicle
Manta ray imitating submersible based on ocean current energy power generation and method
Paddle model processing precision verification device
Municipal river channel energy-saving type detection robot
Double-power-source locomotive fusion cooling system and control method