 |
| |||
| point-source contamination | |||
| точечное загрязнение: 9 phrases in 5 subjects |
| Construction | 1 |
| Ecology | 3 |
| Makarov | 1 |
| Roll stock | 1 |
| Water resources | 3 |
|
| |||
| point-source contamination | |||
| точечное загрязнение: 9 phrases in 5 subjects |
| Construction | 1 |
| Ecology | 3 |
| Makarov | 1 |
| Roll stock | 1 |
| Water resources | 3 |