三峡工程建设动态二块一期以由⑤婚假在阳以立代公冷却水管村工艺取得成功混凝土纵向围堰位于三峡中堡岛右侧，顺江布置，围堰分三段：上纵段、坝身段、下纵段，围堰轴线全长１１９１·４７ｍ。坝身段为主体工程的一部分，按１级建筑物设计；上纵堰外段为亚级建筑；上纵堰... Construction of the Three Gorges Project A second phase by the ⑤ ⑤ married in the sun to the legislation on behalf of the public cooling water pipe village of concrete longitudinal cofferdam is located in the Three Gorges right side of the Fort Island, Shun arrangement, the cofferdam is divided into three sections: the upper longitudinal section, Dam body section, the next vertical section, cofferdam axis length of 1191 · 47m. Dam body as a part of the main project, according to the design of a class of buildings; the outer section of the vertical weir for the Asia-class buildings;