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| English | Russian |
| filter out | отфильтровать (filter something – out phrasal verb 1. to remove something, using a filter: The pump filters out mud. 2. to remove words, information etc that you do not need or want: Net users can filter out unwanted emails with software. LDOCE Alexander Demidov) |
| filter sandstone | пористый песчаник |
| sand filter bed | фильтрующий песчаный слой (земляного полотна) |