 |
| |||
| auger (при роторном бурении) | |||
| долото для мягких пород: 18 phrases in 5 subjects |
| Drilling | 4 |
| Oil / petroleum | 5 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 5 |
|
| |||
| auger (при роторном бурении) | |||
| долото для мягких пород: 18 phrases in 5 subjects |
| Drilling | 4 |
| Oil / petroleum | 5 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 5 |