最近要闻
- Overcoming Mountainous Geology at Nepal's Sunkoshi Marin Project
- Unprecedented Diameter Change: The Mill Creek Tunnel
- Mine Development Machine: Successful Rectangular Rock Bore in Fresnillo, Mexico
- Encountering Caverns in France: TBM Tunneling in Karst Conditions
- 48 Fault Zones and 26 Bar Pressure: Boring Turkey's Gerede Water Transmission Tunnel