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China: China's first Yangtze River high-speed railway tunnel begins excavation with shield tunneling

    Chu Yang
    By Chu Yang Replies (1)

    China Railway No. 2 Institute designed Chongqing Yangtze River Tunnel. China Railway 14th Bureau Group construct. It is first high-speed railway crossing Yangtze River tunnel . 11.94 km

    http://big5.news.cn/gate/big5/www.news.cn/photo/2023-06/16/c_1129699733.htm

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