The optimization of flood releasing structure pattern will reduce scour below dam and favour water energy dissipation and scour prevention.
经对泄洪建筑物体型优化后，减轻了坝下冲刷，有利于消能防冲；
2
Dispatch and operation of the hydraulic engineering of lock, dam, hydropower station, etc. in rivers play important floodprevention action for the upper and downstream city.
江河中的闸坝、电站等水利工程的调度运行对其上下游城市防洪有着重要的作用。
3
Meanwhile, the dam fell into disrepair. Should really broke flash floods, the floodprevention capacity also really need to be reexamined.