日韩精品久久一区二区三区_亚洲色图p_亚洲综合在线最大成人_国产中出在线观看_日韩免费_亚洲综合在线一区

Installation and Completion of a Double-way Five-stage Ship Lock in the Three Gorges Project (China)

Updated: 2014-04-01

In the Three Gorges Project, CGGC was responsible for installing all the metal structures and electromechanical equipment used for the permanent ship lock, which is of the largest scale, the most complex technology and the biggest difficulty in the world.

Installation and Completion of a Double-way Five-stage Ship Lock in the Three Gorges Project