英语词汇“johnson concentrator”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	johnson concentrator
释义	Johnson concentrator Johnson concentrator [′jän·sən ′käns·ən‚trād·ər] (mining engineering) A device used to separate heavy particles such as metallic gold from auriferous pulp; composed of a shell in the shape of a cylinder that is lined with rubber grooves parallel to the inclined axis.
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Johnson concentrator