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在建立漫滩挟沙水流掺混区横向涡粘性系数表达式的基础上，根据水深平均的水流运动方程，得到掺混区流速横向分布公式，经验证，该公式与实测资料基本上吻合．
Based on the expression of transverse vortex viscosity coefficient in the confluence area of sediment-laden flow of water, the lateral flow velocity distribution equation in the mixed area is obtained according to the water depth-averaged water flow equation. This formula is basically consistent with the measured data.