 |
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| filtration efficiency (emirates42) | |||
| cleaning efficiency (воздушного фильтра translator911) | |||
| filtering efficiency | |||
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эффективность фильтрации : 11 phrases in 6 subjects |
| General | 1 |
| Medical | 1 |
| Medical appliances | 1 |
| Nuclear physics | 2 |
| Pharmacy and pharmacology | 3 |
| Technology | 3 |