 |
| |||
| многолетнемёрзлая толща | |||
| permafrost section: 14 phrases in 4 subjects |
| Oil / petroleum | 9 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| многолетнемёрзлая толща | |||
| permafrost section: 14 phrases in 4 subjects |
| Oil / petroleum | 9 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |