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问题详情

In the event of failure of an auxiliary such as a lubricating pump, the standby pump is started and put on the line automatically“the line” in this sentence refers to（）

A、fuel manifold

B、lubricating pipe line

C、auxiliary engine pipe line

D、generator output line

时间：2021-12-31 19:25 关键词：船舶电气与船舶安全

答案解析

B

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