The goal of finish machining is achieved and surface roughness is reduced 3 ~ 5 grades based on experimental data.

根据实验得到的优选数据进行加工，有效地降低了表面粗糙度3 ~5级，达到了光整加工目的。

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The goal of finish machining is achieved and surface roughness is reduced 3 ~ 5 grades based on experimental data.

根据实验得到的优选数据进行加工，有效地降低了表面粗糙度3 ~5级，达到了光整加工目的。

youdao