materials rate材料率materialsn.原料；素材名词material的复数形式.materials and supplies[经] 材料及物料Materials for fumiture家具材料materials flow analysis物质流分析materials expert system材料专家系统materials received note[经] 收料单Materials/parameters材质/参数materials cost variance材料成本差异materials specification[经] 材料明细表Materials compatibility材料相容性materials flow industry物流业