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若纵坐标为扬程H,横坐标为流量qv,变速调节时的相似抛物线为

单选题
2021-07-17 23:47
A、&nbsp;A.H=Kqv2&nbsp; <br>
B、H=K1+K2qv2 <br>
C、H=Hst+K2qv2
D、H=Hc+K2qv2
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正确答案
A

试题解析

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