Study on Hoisting Technics of the Three Gorges Ultra Large Deep Hole Arc Gate
三峡超大型深孔弧门吊装工艺的研究
and the erecting of the box beam comprises the erection of the bridge vertical over hole, beam feeding and beam hoisting for vertical shift.
箱梁的架设包括架桥机纵移过孔，喂梁和吊梁纵移。
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