表面粗糙度只有在精加工的时候才是重要。
Only in surface roughness of the finishing time is important.
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。
Prediction of surface roughness has become an important trend of cutting quality analysis.
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