Whether the natural sand gravel stratum in the river bed would serve as the foundation of the superhigh faced rockfill dam or not was one of the key technical problems of the project.
河床天然砂卵砾石层能否作为超高面板坝坝基是该工程的关键技术问题之一。
Stone Gate pass: it is situated at ruptured stratum of Mt. Huaying, where is a natural-made pass by flood in thousands of years.
石门关——石门关是华蓥山脉地层断裂处经洪水长年冲刷而形成的天然豁口。
应用推荐