 |
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| аэротанк | |||
| аэротанк (сооружение для биологической очистки сточных вод) | |||
| аэрационный бассейн | |||
| вентиляционный резервуар | |||
| аэротенк | |||
| аэротэнк | |||
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Belüftungsbecken : 6 phrases in 4 subjects |
| Construction | 2 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 1 |
| Water supply | 1 |
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