materials rate材料率
materialsn.原料;素材名词material的复数形式.
materials classification材料分类
materials delivered note[经] 材料出库单
materials transportation物资运输
materials purchase order[经] 购买材料定单
materials and techniques材料与工艺
materials usage variance材料耗用差异
Materials Advisory Board器材咨询委员会
materials price variance材料价格差异
materials planning system材料计划制度
materials for making pore造孔剂