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在水利、水电枢紐工程中,占有主要地位的建筑物为拦河垻工程.拦河垻工程量大,占正个工程的造价比重大.有时施工条件困难,施工速度控制着正个工程的工期,大垻往往拦蓄着亿万公方水量,它的安全与否,关系工、农业发展,以及影响下游百万人的生命财产.因此,拦河垻型选择的正确与否体现着整个工程是否符合多、快、好、省的建設方針.在总路线的光辉照耀下,工、农业全面大跃进以来,水利水电建設亦正以中国历史上从来未有的速度向前发展.已开工和即将开工的库容在10亿公方以上或装机容量在20万瓩以上的大型水利水电工
In the water conservancy and hydropower project, the building occupying the main position is the barrage project, which has a large project volume and occupies a large proportion of the total cost of the project, and sometimes the construction conditions are difficult and the construction speed controls the project Due to the construction period, the construction of rivers and lakes often blocks hundreds of millions of square meters of water, its safety or not, its relations with agriculture, the development of agriculture and the lives and property of millions of people in the lower reaches. Therefore, Whether the construction of water conservancy and hydropower is moving forward at an unprecedented speed in history of China under the brilliant shining of the general line and the full leap of industry and agriculture. Opened capacity of more than 1 billion square meters or installed capacity of 200,000 瓩 above large-scale water conservancy and hydropower