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Domestic ultra-large-diameter shield machine "Yongzhou" rolls off the production line in Changsha and is used in the world's longest undersea high-speed rail tunnel
...Domestic super-large-diameter shield machine "Yongzhou" rolled off the production line in Changsha and will be used in the construction of the Jintang Subsea Tunnel of the Ningbo-Zhoushan Railway, the longest undersea high-speed rail tunnel in the world...
http://hn.people.com.cn/BIG5/n2/2024/0227/c195194-40757880.html
Giant tunnel boring machine Yongzhou unveiled in central China
https://english.www.gov.cn/news/202402/29/content_WS65e02237c6d0868f4e8e4741.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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http://hn.people.com.cn/BIG5/n2/2024/0227/c195194-40757880.html
國產超大直徑盾構機“甬舟號”長沙下線 應用於世界上最長海底高鐵隧道
hn.people.com.cn2月26日，國產超大直徑盾構機“甬舟號”在長沙下線，將應用於目前世界上最長海底高鐵隧道——寧波至舟山鐵路金塘海底隧道建設，助力浙江構建“1小時交通圈”。“甬舟號”盾構機由中鐵十四局集團、鐵建重工集團聯