开始蓄水拦沙运用 ，水库严重淤积回水迅速上延 ，引发设计输沙量和水沙综合调节治河新理论。
Therefore it also brings out new river-trained theory of design sediment load and integrated regulation of water-sediment.
淤地坝系规划阶段水文计算的主要任务是计算设计暴雨量、设计洪水量和输沙量等重要特征参数。
In the stage of planning silt dam system, the main task of hydrological computation is to design rainstorm, design flood and sediment load and other important characteristic parameters.
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