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| проточно-вытяжная вентиляция | |||
| приточно отсосная вентиляция | |||
| приточно-вытяжная вентиляция; приточно-вытяжной вентиляция | |||
| обменный вентиляция | |||
| 换气通风: 9 phrases in 5 subjects |
| Construction | 1 |
| General | 4 |
| Medical | 1 |
| Mining | 1 |
| Technology | 2 |
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