It is proved by experiments that under appropriate machining conditions, abrasive belt vibration grinding can not only reduce workpiece surface roughness but also improve work-piece form accuracy.
实验表明，在适当的加上条件下，砂带振动磨削不仅可以降低工件的表面粗糙度，而且可以提高工件的形状精度。
After the workpiece has been cleaned, liquid penetrant is applied in a suitable manner so as to form a film of the penetrant over the surface for at least 13mm beyond the area being inspected.
待工件清洁干净后，渗透剂就需要以一种合适的方式施加，以便在超过被检区域至少13毫米的表面上获得一薄层渗透剂。
After the workpiece has been cleaned, liquid penetrant is applied in a suitable manner so as to form a film of the penetrant over the surface for at least 13mm beyond the area being inspected.
待工件清洁干净后，渗透剂就需要以一种合适的方式施加，以便在超过被检区域至少13毫米的表面上获得一薄层渗透剂。
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