 |
| |||
| stope hole (при почвоуступной выемке) | |||
| нижняя скважина: 30 phrases in 9 subjects |
| Drilling | 7 |
| Mining | 3 |
| Oil / petroleum | 10 |
| Oil and gas | 5 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 1 |
| Water resources | 1 |
|
| |||
| stope hole (при почвоуступной выемке) | |||
| нижняя скважина: 30 phrases in 9 subjects |
| Drilling | 7 |
| Mining | 3 |
| Oil / petroleum | 10 |
| Oil and gas | 5 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 1 |
| Water resources | 1 |