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процесс обработки осадка сточных вод |
sludge process : 49 phrases in 11 subjects |
Construction | 11 |
Ecology | 18 |
Energy industry | 2 |
Forestry | 1 |
Leather | 1 |
Makarov | 2 |
Medical | 1 |
Natural resourses and wildlife conservation | 1 |
Technology | 8 |
Water resources | 1 |
Water supply | 3 |