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本文所研究的一个溢流堰是布置在两个峡谷中间的分水岭上。其中一个峡谷,当在它的谷口下游河道上建筑挡水壩以后,即变成水库的湾汊(图
One of the weirs studied in this paper is a watershed arranged in the middle of two canyons. One of the gorges, when it constructed a retaining dam on the lower reaches of its valley mouth, became the bay of the reservoir