英语词汇“plunger jig washer”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	plunger jig washer
释义	plunger jig washer plunger jig washer [′plən·jər ¦jig ‚wäsh·ər] (mining engineering) A machine for washing ore, coal, or stones in which water is forced alternately up or down by a plunger.
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