Record-breaking open-type TBM rolls off production line
- Posted on November 22, 2024
- By The China Daily
- 2 Views
Record-breaking open-type TBM rolls off production line
An open-type rock tunnel boring machine with a diameter of 11.93 meters, the largest of its kind in China, just rolled off the production line on Friday in Changsha, Central China's Hunan province, China News Service reported.
