Cutting speed only in the surface roughness not required when it is not important.
切削速度只有在对表面粗糙度不做要求的时候才不重要。
Prediction of surface roughness has become an important trend of cutting quality analysis.
表面粗糙度的预报是切削加工质量分析的重要研究方向。
Prediction of surface roughness has become an important trend of cutting quality analysis.
表面粗糙度的预报是切削加工质量分析的重要研究方向。
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