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某水泵运行时进口压力为0.05Mpa,排出口压力为0.25Mpa,则水泵的压头为______。A.20mH2OB.25m
问题
某水泵运行时进口压力为0.05Mpa,排出口压力为0.25Mpa,则水泵的压头为______。
A.20mH2O
B.25mH2O
C.30mH2O
D.35mH2O
参考答案
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