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| общий магистральный воздуховод | |||
| магистральный воздуховод | |||
| главный воздухопровод | |||
| главная воздушная магистраль | |||
| 主风管: 14 phrases in 5 subjects |
| General | 5 |
| Geology | 1 |
| Nautical | 1 |
| Rail transport | 3 |
| Technology | 4 |
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