 |
| |||
| Belebtschlammverfahren n; Belebungsverfahren n | |||
| очистка активным илом: 7 phrases in 6 subjects |
| Brewery | 1 |
| Construction | 1 |
| Environment | 1 |
| General | 2 |
| Technology | 1 |
| Water supply | 1 |
|
| |||
| Belebtschlammverfahren n; Belebungsverfahren n | |||
| очистка активным илом: 7 phrases in 6 subjects |
| Brewery | 1 |
| Construction | 1 |
| Environment | 1 |
| General | 2 |
| Technology | 1 |
| Water supply | 1 |