707 Meters in a Single Drill! Guide Technology Assists in the Successful Completion of the World's Deepest Highway Shaft
On June 13th, a ceremony was held at the construction site of the Tianshan Shengli Tunnel on the Xinjiang Urumqi-Yuli Expressway to witness the successful completion of a 707-meter-deep shaft drilled in one go using a full-face hard rock ve...
2025-06-13
