英语词汇“percussion grinder”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 grinder
释义	> as lemmas percussion grinder † percussion grinder n. Mining Obsolete rare a machine for crushing rock by a combination of grinding and pounding. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1665/2 Percussion-grinder, a machine for crushing quartz or other hard material by a combined rubbing and pounding process. extracted from percussionn. < as lemmas
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

> as lemmas