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| échantillon d'air | |||
| prélèvement d'air | |||
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| échantillonnage de l'air | |||
| air sample: 8 phrases in 5 subjects |
| Chemistry | 1 |
| Environment | 3 |
| General | 2 |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 1 |
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