A.年度修船計(jì)劃 B.年度修船廠主要工程摘要單 C.修理單 D.主要修船設(shè)備訂購計(jì)劃
A.40/20 B.60/40 C.80/60 D.100/80
A.40/20 B.60/40 C.80/60 D.80/50