| 单词 | bag-filter |
| 释义 | > as lemmasbag-filter bag-filter n. a filter made of a cloth bag. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun] > filter or percolator > cloth or bag strainer-cloth1444 hippocras bag?a1500 felt1527 filter1576 Hippocrates' bag1605 Hippocrates' sleeve1605 manica Hippocratis1651 hippocras sleeve1679 bag-filtera1877 a1877 E. H. Knight Pract. Dict. Mech. I. 209/2 Bag-filter, (sugar refining) a device sometimes used in clearing saccharine solutions of feculencies and impurities mechanically suspended therein. 1910 Encycl. Brit. X. 346/2 A crude method [of filtration] consists of straining the liquid through cotton or other cloth..formed into long narrow bags (‘bag-filters’). < as lemmas |
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