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2010年6月15日,中国葛洲坝集团二公司承建的锦屏二级水电站厂区枢纽工程8条尾水隧洞首仓顶拱和边墙混凝土正式开仓浇筑。标志着电站尾水隧洞工程由开挖支护阶段全面转入混凝土浇筑阶段。
June 15, 2010, China Gezhouba Group II Jinping II hydropower plant contractor construction site of the first eight tailrace tunnel roof arch and concrete side walls were officially opened pouring. It marks that the tailrace tunnel project of the power station will be fully transferred from the stage of excavation and support to the concrete pouring stage.