China’s largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of Central China’s Henan province, Sept 29, 2018. The machine has a diameter of 15.8 meters, making it the largest slurry TBM designed in China.[Photo/Xinhua]
China’s largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of Central China’s Henan province, Sept 29, 2018. [Photo/Xinhua]
China’s largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of Central China’s Henan province, Sept 29, 2018. [Photo/Xinhua]
