| |||
| загрязнение из наземных источников | |||
|
pollution from land-based sources : 15 phrases in 4 subjects |
| Ecology | 7 |
| Name of organization | 1 |
| United Nations | 6 |
| Water supply | 1 |
| |||
| загрязнение из наземных источников | |||
|
pollution from land-based sources : 15 phrases in 4 subjects |
| Ecology | 7 |
| Name of organization | 1 |
| United Nations | 6 |
| Water supply | 1 |