Novel adhesion promoting system tire belt ply and preparation method thereof
Design method of vehicle body side exhaust lifting hook
Gas-liquid-solid coupled airborne loading combined buffer device
Rigid-flexible coupling airborne loading combined buffering device
Working method of rigid-flexible coupling airborne loading combined buffer device
Working method of airborne load combination buffer device with gas liquid solid coupling
Hoisting threading operational rod whose height is convenient to adjust
Full-automatic welding device for aluminum alloy yacht
Universal ground anchor, floating type mooring system and offshore wind generating set