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| preliminary clarification tank; primary clarifier; primary sedimentation basin; primary settling tank; interceptor; primary settling basin | |||
| preliminary setting tank (для осаждения взвешенных частиц из сточных вод); preliminary settling tank; primary sedimentation tank | |||
| presetting tank | |||
| primary settler (для осаждения взвешенных частиц из сточных вод) | |||
| primary settler | |||
| preliminary sedimentation tank | |||
| primary setting tank | |||
| presettling tank; roughing tank | |||
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| PST (primary sedimentation tanks Winddancer) | |||
| первичный отстойник: 10 phrases in 4 subjects |
| Construction | 3 |
| Ecology | 5 |
| Hydraulic engineering | 1 |
| Technology | 1 |