 |
| |||
| water enrichment | |||
| обогащение вод: 13 phrases in 6 subjects |
| Ecology | 3 |
| Energy industry | 6 |
| General | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
|
| |||
| water enrichment | |||
| обогащение вод: 13 phrases in 6 subjects |
| Ecology | 3 |
| Energy industry | 6 |
| General | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |