 |
| использование сточных вод: 21 phrases in 7 subjects |
| Construction | 1 |
| Environment | 2 |
| Natural resourses and wildlife conservation | 7 |
| Nuclear and fusion power | 3 |
| Oil / petroleum | 1 |
| Sewage and wastewater treatment | 2 |
| Water supply | 5 |
|
| использование сточных вод: 21 phrases in 7 subjects |
| Construction | 1 |
| Environment | 2 |
| Natural resourses and wildlife conservation | 7 |
| Nuclear and fusion power | 3 |
| Oil / petroleum | 1 |
| Sewage and wastewater treatment | 2 |
| Water supply | 5 |