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Plug connector device, battery quick-change system and automobile
Vibration damping device, vibration damping system and vehicle seat
Influences of Geocell Reinforcement on Shear Strength of Railway Roadbeds
Battery pack adaptive to platform expansion demand and design method thereof
Light helicopter control mechanism and using method thereof
Battery pack adaptive to different driving forms and vehicle
Hydrogen fuel aircraft clean water vehicle with water level indicating device
Automatic traction unhooking and hooking device of tractor
Marine underground space emergency escape structure and escape method
Green-energy multifunctional rodless aircraft tractor