Add hardness test for the raw material and finish parts to the drawing and inspection standard, and set suitble test frequency to ensure the pats conformance with the standard.
Add hardness test for the raw material and finish parts to the drawing and inspection standard, and set suitble test frequency to ensure the pats conformance with the standard.
3在图纸和检验标准中增加原材料和成品零件硬度检验的规定,设定合适的检验频率,确保零件符合标准要求.