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| process of filtering; filtering process | |||
| filtration period | |||
| straining action | |||
| filtration process | |||
| процесс фильтрации: 8 phrases in 8 subjects |
| Construction | 1 |
| Geophysics | 1 |
| Gyroscopes | 1 |
| Makarov | 1 |
| Mathematics | 1 |
| Quantum electronics | 1 |
| Sakhalin | 1 |
| Telecommunications | 1 |