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| качество воздуха | |||
| качество окружающего воздуха | |||
| English thesaurus | |||
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| AAQ (качество атмосферного воздуха r0a73) | |||
| ambient air quality: 15 phrases in 7 subjects |
| Ecology | 6 |
| Energy industry | 2 |
| Military | 1 |
| Nuclear physics | 1 |
| Oil / petroleum | 2 |
| Silicate industry | 1 |
| Technology | 2 |