考试
2020-03-16 12:54:48

539 A centrifugal pump can’t s

题目描述

A centrifugal pump can’t supply water after startingYou should check ____.A.priming waterB



A centrifugal pump can’t supply water after startingYou should check ____.

A.priming water

B.power supply

C.packing gland

D.bearing lubrication

请帮忙给出正确答案和分析,谢谢!

答案解析

A

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