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| aireación f; ventilación f | |||
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| circulación de aire | |||
| circulación del aire; remoción del aire | |||
| air-circulation: 13 phrases in 8 subjects |
| Agriculture | 1 |
| Electronics | 1 |
| Food industry | 1 |
| Materials science | 2 |
| Metallurgy | 1 |
| Municipal planning | 5 |
| Technology | 1 |
| United Nations | 1 |