问题
多项选择题
运行中的水泵机组出水压力摆动过大并且是有规律摆动,可能是因为()所造成。
A.电机扫膛
B.水泵抽空
C.泵内进气
D.盘根压的过紧
答案
参考答案:A, B, C
运行中的水泵机组出水压力摆动过大并且是有规律摆动,可能是因为()所造成。
A.电机扫膛
B.水泵抽空
C.泵内进气
D.盘根压的过紧
参考答案:A, B, C
阅读理解。 | |||||||||||
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