正确答案: C

Steering gear

题目：Usually, emergency electricity supplies to_____on board

解析：C

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举一反三的答案和解析：

[单选题]The SMS should provide for specific measures aimed at promoting the of equipment or systems, the sudden operational failure of which may result in hazardous situations.

reliability

[单选题]To safeguard the operator and other personnel working on or near a hoisting operation, which of the following precautions should be observed?

Insure that the lifting gear capacity is not exceeded

[单选题]探明火情的主要内容是：

以上均对。

[单选题]活塞环在工作中较易产生“跳环”现象的运行工况是________。

高速、低负荷

[单选题]SOLAS公约附则第Ⅺ章第2条将《73/78防污公约》适用于油船加强检验计划的范围扩大至适用于5年以上的______。

散货船