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秦嶺隧道群

來源:本站原創??時間:2018-04-04?【字體:??

秦嶺隧道群:由分別長達18公里的5座相鄰的特長隧道組成,是世界最大的隧道群,被評價為“21世紀隧道的偉大奇跡”,獲FIDIC“全球百年工程”大獎。

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