短语词组短語DMR Defective Material Report 材料缺陷報告defective fluorite type material 缺陷螢石型材料defective material report 材料缺陷報告;缺陷材料報告;不郃格材料報告Material Defective 來料MATERIAL DEFECTIVE PIECES PER MILLION 來料百萬分之缺陷率 返回 defective material