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雄伟的三峡,是祖国的宝藏,它控制着100万平方公里的流域面积,有14,300秒公方的年平均流量;长江,在这里横切黄陵背斜,背斜的东西两翼,由悬岩绝壁的石灰岩所组成,背斜的核心部分,是古老的变质及结晶岩系,形成一个优越的水利枢纽条件。解放前,美帝国主义,曾想在这里修建水电站,作为经济侵略的基地,也曾做过少量的勘测工作,并在石牌至南津关坝区内假定了五个比较坝线,翻开他们坝区坝段工程地质资料来看,由
The majestic Three Gorges, a treasure of the motherland, control one million square kilometers of drainage area and have an average annual flow of 14,300 seconds. The Yangtze River, where the eastern and western wings of the Huangling anticline and anticlines are crossed by hanging rocks Cliffstone composed of limestone, the anticline of the core part of the ancient metamorphic and crystalline rock series, forming a superior water control conditions. Before the liberation, US imperialism wanted to build a hydropower station here. As a base for economic aggression, a small amount of surveying work had also been done. Five comparative dam lines were assumed in the area from Shipai to Nanjinguan Dam, Dam dam engineering geological data, from