经过多少个春秋的拚搏,在举世闻名的大渡河上,继龚咀水电站之后,第二座大型水电站——铜街子水电站胜利地并网发电了。这是四川水电开发史上的一件大事,值得庆贺,值得大书特书。值此喜庆的日子里,我抚今追昔、感 After many years of hard work, in the world-famous Dadu River, following the Gongzui Hydropower Station, the second large-scale hydropower station, the Tongjiezi Hydropower Station, was successfully connected to the grid to generate electricity. This is a major event in the history of Sichuan’s hydropower development. It is worth celebrating and it deserves a special book. On this festive day, I am bringing in the past and feeling