Super-large-diameter slurry balance shield machine rolls out for deepest railway tunnel along Yangtze River

A super-large-diameter slurry balance shield machine, developed by China for high-speed railway projects, rolled off the production line in Hangzhou, East China's Zhejiang Province recently, marking a critical phase in the construction of Nanjing's first high-speed railway cross-river tunnel, according to the official WeChat account of China Railway Group on Sunday.

Raccontata daglobaltimes.cn