单项选择题
A.5000 B.10000 C.15000 D.20000
吹开风靠码头,应首先带:()A.首缆B.尾缆C.前倒缆D.后倒缆
单项选择题吹开风靠码头,应首先带:()
A.首缆 B.尾缆 C.前倒缆 D.后倒缆