| 单词 | filtering medium |
| 释义 | > as lemmasfiltering medium filtering medium n. a layer of porous material used as a filter; any porous material suitable for this use. ΚΠ 1791 J. Peacock Brit. Patent 1844 The ascent of the fluid through the filtering medium. 1850 Mechanic's Mag. 1 June 436/1 Above each of these gratings there is laid a quantity of coarse gravel, or other filtering medium, of a size sufficiently large not to pass through the openings. 1907 Times 15 Feb. 3/1 The filtering medium, whatever it was, speedily got choked by the stive or dust. 1957 Changing Times May 31/1 It [sc. a filter] continually removes water from the pool, forces it through a filtering medium to remove sediment and returns the cleansed water to the pool. 2015 S. Bennett Mod. Diesel Technol. (ed. 2) vii. 138/1 Effective absorbent filtering media include cotton pulp, mineral wools, wool yarn, and felt. < as lemmas |
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