 |
| |||
| зона поглощения (бурового раствора) | |||
| loss zone: 6 phrases in 3 subjects |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
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