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China: 22.9 kilometers! The longest high-speed railway tunnel in China is completed

    Caihong Wen
    By Caihong Wen Replies (1)

    On the 23rd, the Qinling Mabaishan Tunnel of the Xi'an-Shiyan High-speed Railway with a total length of 22.9 kilometers was successfully completed.

    http://finance.people.com.cn/BIG5/n1/2025/0424/c1004-40467171.html

     

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