[HIGHLIGHTS] Chengdu-Zigong high-speed railway Jinxiu tunnel with a diameter of 12.79 meters starts the earth pressure balance shield machine-chinanews.com
2021-11-01T14:33:39.878Z
Read the full translated version in English
Read the full version from chinanews
The information on this site is from external sources that are not under our control. The inclusion of any links does not necessarily imply a recommendation or endorse the views expressed within them.