单选

Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is caused by_____.

A.leaky discharge valves on the LP cylinder
B.leaky discharge valves on the HP cylinder
C.insufficient intercooler cooling
D.low ambient air pressure

试题出自试卷《海船船员考试轮机部三管轮模拟题3(轮机英语)》

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