三峡工程建设动态三峡右岸一期土石围堰工程通过阶段验收三峡右岸一期围堰工程经过４０多名专家和代表历时３大的听取设计、施工、监测、监理报告和现场检查与讨论后，于７月３１日下午一致通过了抽水（挡水）前的阶段验收：“一期围堰工程已完项目按承包合同工期目标完成... Three Gorges Project Construction Phase Three of the Three Gorges Right Bank First Stage Earth-rock Cofferdam Project Stage Acceptance Three Gorges Right Bank Phase I Cofferdam Project After more than 40 experts and representatives took part in the design, construction, monitoring and supervision reports and onsite inspection and discussion, The afternoon of July 31 unanimously approved the stage of pumping (retaining water) before acceptance: "The first phase of cofferdam project has been completed according to the project contract period target completion ...