Stellar Stream news portal

The massive tunnel boring machine named "Yongzhou", designed for the groundbreaking Jintang undersea

World's longest undersea high

The<strong></strong> massive tunnel boring machine named

The massive tunnel boring machine named "Yongzhou", designed for the groundbreaking Jintang undersea tunnel project, rolls off the production line, Feb. 26, 2024 in Changsha, central China's Hunan Province. (Photo/China News Service)

Visitor, please leave a comment:

Website classification
popular articles
Links

© 2024.sitemap