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| final settling tank; final settling basin; final tank; secondary clarifier; secondary sedimentation tank; secondary setting basin | |||
| final sedimentation tank; final setting drainage; secondary setting drainage; secondary settling basin; secondary settling tank; activated sludge clarifier; final clarifier | |||
| final clarifier (напр., резервуар, предназначенный для разделения иловой смеси на очищенную сточную воду и активный ил) | |||
| secondary tank | |||
| final setting tank; secondary drainage | |||
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| SST (secondary sedimentation tanks Winddancer) | |||
| final settling basins; secondary settling basins | |||
| вторичный отстойник: 15 phrases in 4 subjects |
| Construction | 6 |
| Ecology | 6 |
| Hydraulic engineering | 1 |
| Technology | 2 |