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| выхлопная вентиляция; отсасывающая вентиляция | |||
| вытяжная вентиляция; всасывающая тяга; искусственная вытяжная тяга | |||
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抽气通风 : 13 phrases in 4 subjects |
| General | 2 |
| Oil processing plants | 2 |
| Technology | 8 |
| Thermal engineering | 1 |
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