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| естественная вентиляция (без побуждения) | |||
| самовентиляция | |||
| естественная вентиляция | |||
| 自动通风: 9 phrases in 5 subjects |
| Electronics | 2 |
| General | 1 |
| Military | 1 |
| Rail transport | 1 |
| Technology | 4 |
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