By far the greatest item of maintenance of the reciprocating air compressors concerns （）. -题库考试答案搜索网

By far the greatest item of maintenance of the reciprocating air compressors concerns （）.

单选题

2022-03-12 19:29

A、the lubrication
B、the cooling
C、the moisture separation
D、the valve

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正确答案

D

试题解析

标签：船舶电气与船舶安全

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