原料primary material;raw material;raw stock详细»
原料feed stock;material;raw material;stuff详细»
原料raw materials;crude materials详细»
原料crude materials;feed stock;producers stock;raw charge;raw stuff;rough material详细»
原料raw materials;crude materials详细»
原料basic material;crude matte;feed naterial;feed stock;original feed;original stock;raw charge;raw feed;raw material;stuffing box详细»