正确答案: B

应急消防泵

题目：当机舱进水、失火或全船失电时，用来向全船提供消防水的机舱设施是()

解析：B

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举一反三的答案和解析：

[单选题]_______means the level for which appropriate additional protective security measures shall be maintained for a period of time as a result of heightened risk of a security incident.

Security level 2

[单选题]港口国监控的检查官一般要对_______船舶进行详细检查。

不适航船舶