 |
| |||
| rugose section (скважины) | |||
| неровный участок: 8 phrases in 5 subjects |
| Automobiles | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 3 |
| Quarrying | 1 |
|
| |||
| rugose section (скважины) | |||
| неровный участок: 8 phrases in 5 subjects |
| Automobiles | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 3 |
| Quarrying | 1 |