rotary motion

汉语翻译

英语解释：

名词 rotary motion:

1. the act of rotating as if on an axis
   同义词：rotation

例句：

1. A device for transmitting rotary motion, consisting of a handle or arm attached at right angles to a shaft.
   曲柄一个传递转动的部件，包括一个手柄或把手与一个轴直角相连