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People who like China : Super-large-diameter shaft boring machine rolled off production line

    Caihong Wen

    China : Super-large-diameter shaft boring machine rolled off production line

    By Caihong Wen in the group Tunnel Technologies Replies (1) Last reply by Caihong Wen
    https://www.youtube.com/watch?v=onFEkstNJ9o Xinhua news agency report on November 29 first super-large diameter vertical boring machine. China Railway Construction Heavy Industry (CRCHI) Group and China Railway 15th Bureau Group design develop...

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