多项选择题
A.QOP(采购报价单) B.变更方案PPT C.PartMatrix D.零件3D数模文件
A.MTD Sign-off B.PM Sign-off C.ECN released D.PMfinal approved
A.PCR Final Approved B.BOM工程师已经修改了TC C.ECN released D.TC上已生成ECN report2