At construction site of western section of Shenzhen-Dongguan Tunnel of Shenzhen-Jiangmen High-Speed Railway of the China Railway 11th Bureau, the largest-diameter earth pressure balance shield machine "Kunpeng" for composite stratum construction in China was successfully launched
http://finance.people.com.cn/BIG5/n1/2024/0530/c1004-40247017.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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