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прямоточная схема
| проветривания карьера
| прямоточная схема | |
| tech. | Gleichstromführung |
| проветривание карьеров | |
| mining. | Tagebaubelüftung |
| |||
| Gleichstromführung f | |||
| прямоточная схема: 3 phrases in 2 subjects |
| Engines | 1 |
| Mining | 2 |
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