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

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

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

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

rotary motion翻譯