 |
| |||
| zone of aeration | |||
| аэрации зона: 25 phrases in 10 subjects |
| Construction | 2 |
| Ecology | 1 |
| Geology | 6 |
| Hydrology | 2 |
| Makarov | 6 |
| Natural resourses and wildlife conservation | 2 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Technology | 2 |
| Water resources | 2 |
|
| |||
| zone of aeration | |||
| аэрации зона: 25 phrases in 10 subjects |
| Construction | 2 |
| Ecology | 1 |
| Geology | 6 |
| Hydrology | 2 |
| Makarov | 6 |
| Natural resourses and wildlife conservation | 2 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Technology | 2 |
| Water resources | 2 |