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People who like China Tunnel Technologies: China's self-developed tunnel boring machine with biggest diameter

    Chu Yang

    China Tunnel Technologies: China's self-developed tunnel boring machine with biggest diameter

    By Chu Yang in the group Tunnel Technologies Replies (1) Last reply by Chu Yang
    https://www.youtube.com/watch?v=_FIAc0BOJ9w Xinhua news inform. https://english.news.cn/20241101/0cde04acc44549b3b84dc51420530287/c.html

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