转动，旋转运动
1. 旋转运动：旋转式密封 rotating seal | 旋转运动 rotary motion | 选型 type selection
2. 转动：rotary moment 转矩 | rotary motion 转动 | rotary mud screen 转筒泥浆筛
3. 回转运动：rotary mechanical atomizing oil burner 旋转式燃烧器 | rotary motion 回转运动 | rotary movement relay 旋转继电器
4. 旋转力矩：rotary molding 轮转式模塑 | rotary motion 旋转力矩 | rotary motion valve 角行程阀
rotary motion
noun
1. the act of rotating as if on an axis
e.g. the rotation of the dancer kept time with the music
Synonym: rotation