 |
| многолетнемёрзлый: 92 phrases in 18 subjects |
| Agrochemistry | 1 |
| Construction | 20 |
| Drilling | 1 |
| Ecology | 1 |
| General | 1 |
| Geography | 3 |
| Geology | 13 |
| Geophysics | 8 |
| Hydrology | 2 |
| Makarov | 6 |
| Mining | 1 |
| Oil / petroleum | 18 |
| Oil and gas | 6 |
| Oil and gas technology | 3 |
| Oilfields | 2 |
| Road works | 2 |
| Sakhalin | 1 |
| Technology | 3 |