轮轴

轮轴实际上是一种杠杆。在老式水井中用来提上水桶的装置就是这类机械的一个例子。

steering wheel lock

supporting of magnet wheel in salient pole machines

wind wheel

diamond-impregnated grinding wheel

automatic wheel wear compensator【机】

buffing wheel acting by its periphery

carborundum wheel

steering wheel injury