三峡工程临时船闸上闸首混凝土开仓浇筑三峡工程通航建筑物之一、临时船闸上问首已于１９９６年４月２２日正式开仓浇筑混凝土。临时船闸工程是确保三峡工程大江截流预期进行的关键项目之一。大江截流后，长江流量大于１００００ｍ３／ｓ时，小船队要从临时船闸通过；大于... Provisional ship lock on the Three Gorges Project started the construction of concrete pouring the Three Gorges Project navigation one of the temporary lock on the first asked in April 22, 1996 the official opening of the pouring of concrete. Temporary ship lock project is one of the key projects to ensure the closure of the Three Gorges Project. After the closure of the major rivers, when the Yangtze River flow is more than 10000m3 / s, the fleet of boats will pass from the temporary lock;