 |
| |||
| sewage-sludge processing; sewage-sludge treatment | |||
| |||
| wastewater treatment sludges | |||
| обработка осадка сточных вод: 7 phrases in 5 subjects |
| Construction | 2 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
|
| |||
| sewage-sludge processing; sewage-sludge treatment | |||
| |||
| wastewater treatment sludges | |||
| обработка осадка сточных вод: 7 phrases in 5 subjects |
| Construction | 2 |
| Hydraulic engineering | 1 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |