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渡改桥,改出便利新生活(身边的工程)
渡改桥,一改便是近4年。“急流险滩、地质复杂、场地狭窄,跨江大桥的建设面临多种挑战。”中交二航局榕山长江大桥项目总工程师唐栋梁说,建设者先后完成抢水施工、复杂卵石层上打桩、高精度合龙、大桥线型控制等艰巨任务,让大桥稳稳矗立于滚滚江水之上。
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