水利水电建设中的一个关键环节就是截流。特别是大江大河的截流很困难,并有不少问题没有得到很好的解决。下面拟对国外大江大河的截流从三个方面作些评述。一截流的发展简况 Water conservancy and hydropower construction is a key link is closure. In particular, the closure of major rivers is very difficult and many problems have not been well solved. The proposed closure of major rivers in foreign countries from the following three comments. A closure of the development profile