 |
| |||
| sewage-sludge processing; sewage-sludge treatment | |||
| |||
| wastewater treatment sludges | |||
| обработка осадка сточных вод: 7 phrases, 5 sujets |
| Construction | 2 |
| Ingénierie hydraulique | 1 |
| Makarov | 1 |
| Ressources naturelles et conservation de la faune | 1 |
| Technologie | 2 |
|
| |||
| sewage-sludge processing; sewage-sludge treatment | |||
| |||
| wastewater treatment sludges | |||
| обработка осадка сточных вод: 7 phrases, 5 sujets |
| Construction | 2 |
| Ingénierie hydraulique | 1 |
| Makarov | 1 |
| Ressources naturelles et conservation de la faune | 1 |
| Technologie | 2 |