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梯形渠道实用经济断面水力最佳断面流速与实用经济断面流速的比值渠道设计流量(m3/s)渠道糙率渠道内边坡系数渠底比降水力最佳断面水深(m)水力最佳断面底宽(m)水力最佳断面的过水断面面积(m2)水力最佳断面流速(m3/s)实用经济断面水深(m)实用经济断面底宽(m)实用经济断面的过水断面面积(m2)实用经济断面流速(m3/s)不冲流速(m3/s)αQnmIh0b0A0V0hbAVV'114.40.0251.50.00052.5501.54413.691.052.5501.54413.691.050.951.0114.40.0251.50.00052.5501.54413.691.052.0983.44413.821.041.051.0214.40.0251.50.00052.5501.54413.691.051.9404.28813.961.031.051.0314.40.0251.50.00052.5501.54413.691.051.8284.96814.101.021.041.0414.40.0251.50.00052.5501.54413.691.051.7415.56714.231.011.03