The surface roughness is an important target of reflecting the microscopic shape of components surface, it has great influence on the surface quantity of work piece.
表面粗糙度是反映零件表面微观几何形状的一个重要指标，对工件表面质量有很大影响。
The surface roughness is an important target of reflecting the microscopic shape of components surface, it has great influence on the surface quantity of work piece.
表面粗糙度是反映零件表面微观几何形状的一个重要指标，对工件表面质量有很大影响。
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