旋转对称的

而在超精密加工技术领域中最基本的就是加工设备，其次才是配合的加工技术。

rotational velocity

rotational little-chamber counter-current chromatography

characteristic rotational temperature

reversal of rotational direction (reversal of rotation)

rotational-angle operation foot switch for unlimited rotational-angle operation

for rotational movements

rotational diffusion

rotational-angle operation, unlimited