English | Spanish | Dutch
Log in

Giant variable diameter TBM unveiled in China's Changsha

    Caihong Wen
    By Caihong Wen Replies (1)

    China Railway Construction Heavy Industry Co., Ltd. new tunnel boring machine

    https://english.news.cn/20230422/7ed79e8c39714fc38321b52f41b78815/c.html

    image

    image