 |
| |||
| core boring; rock core drilling; rock coring | |||
| core drilling; coring | |||
| 岩芯钻进: 24 phrases in 3 subjects |
| Engineering geology | 10 |
| Hydroelectric power stations | 2 |
| Technology | 12 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips