| |||
| subsurface drilling; underground boring; underground drilling | |||
|
подземное бурение : 17 phrases, 5 sujets |
| Champs de pétrole | 2 |
| Exploitation minière | 7 |
| Forage | 1 |
| Pétrole / pétrole | 6 |
| Sakhaline | 1 |
| |||
| subsurface drilling; underground boring; underground drilling | |||
|
подземное бурение : 17 phrases, 5 sujets |
| Champs de pétrole | 2 |
| Exploitation minière | 7 |
| Forage | 1 |
| Pétrole / pétrole | 6 |
| Sakhaline | 1 |