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葛洲坝工程分两期施工。一期工程即二、三江工程已于1981年基本建成,1985年4月通过国家竣工验收。1982年开始正式进入二期工程即大江工程施工。通过一期工程的实践,在设计或施工方面都积累了宝贵的经验,因此,二期工程在施工部署、施工质量以及施工进度等方面都比一期工程有所改进。按照国家计划安排,大江电厂第一台机组将于1986年6月投产发电,这样,从开工到第一台机组发电,仅用四年半的时间,
Gezhouba project construction in two phases. A project that two, three river project was basically completed in 1981, in April 1985 through the national completion of acceptance. Beginning in 1982 formally entered the second phase project that Dajiang project construction. Through the practice of Phase I project, valuable experience has been accumulated in the design or construction. Therefore, the Phase II Project has improved over the first phase in terms of construction and deployment, construction quality and construction schedule. In accordance with the state plan, the first unit of the Dajiang Power Plant will be put into operation in June 1986, so that from the start to the first unit generating power, only four and a half years,