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                            1. 三峡永久性船闸闸门

                              时间:2018-03-08 14:31 作者:admin 分享到:

                              三峡工程南北两条双向永久船闸共有24扇闸门,单扇闸门面积超过一个篮球场,各扇闸门全部采用河钢舞钢钢板制造,用钢板4万多吨。
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