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| Luftabsaugung f | |||
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évacuation d' air : 43 phrases in 7 subjects |
| Chemistry | 1 |
| Construction | 12 |
| Mechanic engineering | 6 |
| Natural resourses and wildlife conservation | 12 |
| Nuclear physics | 8 |
| Transport | 3 |
| Ventilation | 1 |
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