英语词汇“percussion sieve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	percussion sieve
释义	> as lemmas percussion sieve † percussion sieve n. Mining Obsolete rare an apparatus for sorting ores according to size by means of two superimposed inclined sieves which are mechanically agitated. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1666/1 Percussion-sieve, an apparatus..for sorting ores, principally those of lead. extracted from percussionn. < as lemmas
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> as lemmas