正确答案: B

the chief engineer

题目：During the watch keeping at sea, the engineer in charge should notify______in the event of any serious occurrence or a situation where he is unsure of the action to take

解析：B

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举一反三的答案和解析：

[单选题]Which radio equipment is not necessary for the ships sailing in the sea area A2?

VHF EPIRB

[单选题]维持艇首顶风顶浪减少上浪，防止艇、筏倾覆应施放（）

海锚

[单选题]空压机气阀组装好后用煤油试漏，( )。

滴油不应超过20滴/分

[单选题]精密偶件端面的机械密封不良的主要原因是( )。

腐蚀

[单选题]筒状活塞冷却侧的裂纹常发生在

活塞销座

[单选题]关节脱位处()

触之空虚

[单选题]CO2的灭火原理主要是______。

窒息作用

[单选题]If scavenge box should be hot, _______would occur.

scavenge fire