неочищенные сточные воды; бытовые сточные воды
- clarified sewage
- crude sewage
- dilute sewage
- domestic sewage
- house sewage
- industrial sewage
- municipal sewage
- purified sewage
- raw sewage
- residential sewage
- sanitary sewage
- settled sewage
- storm sewage
- strong sewage
- treated sewage
- weak sewage