 |
| |||
| нефтегазоносная система | |||
| Petroleum system: 25 phrases in 6 subjects |
| Firefighting and fire-control systems | 3 |
| Geology | 3 |
| Military | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 11 |
| Production | 1 |
|
| |||
| нефтегазоносная система | |||
| Petroleum system: 25 phrases in 6 subjects |
| Firefighting and fire-control systems | 3 |
| Geology | 3 |
| Military | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 11 |
| Production | 1 |