单选题离心泵排出阀开大后，泵的（）。A功率增大，扬程减小B功率减小，扬程增大C功率增大，扬程增大D功率减小，扬程减小
单选题
离心泵排出阀开大后，泵的（）。
A
功率增大，扬程减小
B
功率减小，扬程增大
C
功率增大，扬程增大
D
功率减小，扬程减小
参考解析
解析：
暂无解析
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