According to topographical features, the valley shape, Quaternary overburden thickness, and fault rock crusher factors we can identify the downstream dam site for the proposed dam site.

• 根据地形地貌、河谷形态、第四系覆盖层厚度、断层因素和岩体破碎程度等综合确定宜选择下坝线为拟建坝址。