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问题 单项选择题

钢筋混凝土圆形排水管，已知直径d=1.0m，粗糙系数n=0.014，底坡i=0.002，当充满度α=0.80时，此无压管道的过流量为（）。

A.0.97m3/s

B.0.82m3/s

C.0.73m3/s

D.0.61m3/s

答案

参考答案：A

解析：

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