paddle wheel
paddle wheel
n.Nautical （名词）【航海】
A wheel with boards or paddles affixed around its circumference, usually driven by steam to propel a ship.
明轮：轮子周围附着木板或桨,通常通过蒸汽推动来开动船
化学中paddle wheel 是什么东西!?
paddle wheel
paddle wheel
n.Nautical （名词）【航海】
A wheel with boards or paddles affixed around its circumference, usually driven by steam to propel a ship.
明轮：轮子周围附着木板或桨,通常通过蒸汽推动来开动船