A.生產(chǎn)工序 B.產(chǎn)品類別 C.產(chǎn)品級(jí)別 D.生產(chǎn)數(shù)量
A.1倍 B.1.2倍 C.1.5倍 D.2倍
A.1mB.1.2mC.1.5mD.2.5m