 |
| |||
| диффузное загрязнение; рассеянное загрязнение | |||
| non-point pollution: 10 phrases in 5 subjects |
| Ecology | 3 |
| Environment | 1 |
| Makarov | 3 |
| Natural resourses and wildlife conservation | 2 |
| Water supply | 1 |
|
| |||
| диффузное загрязнение; рассеянное загрязнение | |||
| non-point pollution: 10 phrases in 5 subjects |
| Ecology | 3 |
| Environment | 1 |
| Makarov | 3 |
| Natural resourses and wildlife conservation | 2 |
| Water supply | 1 |