—混凝土衬砌的梯形渠道. 己知底坡i =0.003,底宽b = 5m,水深h = 2m,边坡系数m=l,粗糙系数n = 0.01

—混凝土衬砌的梯形渠道. 己知底坡i =0.003,底宽b = 5m,水深h = 2m,边坡系数m=l,粗糙系数n = 0.014,求流量。
【正确答案】: