正确答案: C

250%

题目：Ⅰ航区的货船，全船配备的救生艇、筏乘员占总人数：

解析：C

查看原题

举一反三的答案和解析：

[单选题]UMS are mainly unattended overnight and during this time ____ should have control of the main engine

the bridge officer on watch

[单选题]锁骨骨折肩胛区有严重损害时的处理？

将患肢固定于胸壁

[单选题]Due to action of pistons some relative motion between parts in contact in the coolant supply and return system must occur.

reciprocating