 |
| |||
| открытый резервуар | |||
| открытый ствол; необсаженная скважина (同 открытый ствол) | |||
| необсаженная скважина | |||
| 裸眼井: 25 phrases in 4 subjects |
| Drilling | 15 |
| General | 5 |
| Geophysics | 2 |
| Oil / petroleum | 3 |
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