Finally, opening the flood diversion work's gate is through blasting or manpower, and the open order influences the discharge and elevation of water in main river.
最后是行洪区得两个口门一般是通过爆破或人工扒口打开，其开启顺序对干流河道水位、流量情况也有一定影响。
For the arch dam which reservoir has no suitable breach to build lasher and has mass flood discharge, opening large orifice for flood discharge has great advantage.
对于库区无适宜垭口可兴建泄洪道，而泄洪量又较大的拱坝工程，在坝身中开设大孔口泄洪具有显著的优越性。
It is demonstrated from the hydraulic modeling that the structure has an obvious effect on the improvement of flow pattern near the river opening for flood discharge.
水工模型试验表明，这种构筑物对于改善河道行洪口门的水流流态具有明显的效果。
It is demonstrated from the hydraulic modeling that the structure has an obvious effect on the improvement of flow pattern near the river opening for flood discharge.
水工模型试验表明，这种构筑物对于改善河道行洪口门的水流流态具有明显的效果。
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