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