精密(尺寸)加工

precision sizing的用法和样例：

例句

Lapping is a kind of precision and ultraprecision machining method.研磨是一种重要的精密和超精密加工方法。
The ultra precision machining aims at obtaining the designed surface functions through the surface quality controlling.超精密加工的目标是通过表面质量控制获得预定的表面功能。

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