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先导索分段分次牵引、江中对接提升 ,空中横渡架设牵引系统的成功实践 ,使大跨度悬索桥施工二次封航变为一次封航 ,并使封航时间最短成为现实 ,既有利于减小施工风险 ,又有利于长江的航运。
The successful practice of sub-sub-traction of the pilot cable, docking in the river and the traversing of the traversing system in the air have turned the construction of the long-span suspension bridge into a single sealing and closure and made the shortest sealing time a reality, Small construction risk, but also conducive to shipping the Yangtze River.