1、Rotary motion of the forearm, however, is eminently important too.
然而，前臂的回轉(zhuǎn)運動，也猶為重要。

2、transmits rotary motion from the engine to the differential.
從發(fā)動機(jī)向分速器傳遞旋轉(zhuǎn)運動的。

3、Continuous rotary motion, intermittent rotary motion and reciprocating swing.
連續(xù)回轉(zhuǎn)運動、間歇回轉(zhuǎn)運動和往復(fù)擺動。

4、The valve is allowed to move vertically and oscillating rotary motion is possible.
可允許該閥垂直移動，并可以來回旋轉(zhuǎn)運動。

rotary motion翻譯