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梯形渠道断面计算表渠名渠深水深底宽边坡系数糙率底坡过水面积湿周水力半径谢才系数流量(m)h(m)b(m)mnIω(m2)χ(m)R(m)C(m1/2/s)Q(m3/s)0+000--0+5500.800.62.610.0250.00541.924.30.4535.013.310+550--1+3501.000.801.110.0250.00601.523.360.4535.012.771+350--1+6501.000.701.210.0250.00661.333.180.4234.612.421+650--2+7001.000.701.210.0250.00641.333.180.4234.612.392+700--5+1291.000.600.810.0250.00440.842.50.3433.411.095+129--5+8501.000.600.810.0250.00440.842.50.3433.411.09