7月30日上午，崇太长江隧道“领航号”盾构机成功穿越长江水域，实现崇太长江隧道水域段盾构隧道贯通，为我国首次实现高铁时速350公里“穿江不减速”奠定基础。“领航号”盾构机刀盘直径15.4米，全长148米，总重约4000吨，是世界最大直径高铁盾构机。崇太长江隧道连接上海崇明与江苏太仓，隧道全长14.25千米，建成运营后，将结束我国第三大岛崇明岛不通高铁的历史。图为当日拍摄的崇太长江隧道“领航号”盾构机施工现场。记者 陈浩明 摄
编辑： 黄曼曼
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