 |
| |||
| pollution of surface water | |||
| surface-water contamination | |||
| загрязнение поверхностных вод: 12 phrases in 6 subjects |
| Ecology | 2 |
| Energy industry | 1 |
| Makarov | 5 |
| Production | 1 |
| Water supply | 2 |
| Weapons of mass destruction | 1 |
|
| |||
| pollution of surface water | |||
| surface-water contamination | |||
| загрязнение поверхностных вод: 12 phrases in 6 subjects |
| Ecology | 2 |
| Energy industry | 1 |
| Makarov | 5 |
| Production | 1 |
| Water supply | 2 |
| Weapons of mass destruction | 1 |