[单选题]气胀式救生筏充气所使用的气体应是（）

正确答案 ：C

二氧化碳和少部分氮气

[单选题]下列说法不正确的是＿。

正确答案 ：C

STCW规则中的有关建议和指导的内容在附则A部分中

[单选题]The installation and provision of fire fighting equipment is mainly subject to ___.

正确答案 ：D

FSS code

[单选题]The additional mark____in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is watched by duty personnel.

正确答案 ：D

AUT-1

[单选题]半圆法110°NE换算成圆周法应为：()

正确答案 ：A

110°

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