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.
随便看	to little effect to little/good/some/no purpose to little/no avail valve timing valve timing control valve train valvetrain valve tube valve vegetation valve yoke valvifera valviform valving valvoplasty valvotomy valvotomy knife valvt valvula valvula bicuspidalis valvula coli valvula coronaria dextra (valvae aortae) valvula coronaria dextra valvae aortae valvula coronaria sinistra (valvae aortae) valvula coronaria sinistra valvae aortae valvulae

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Johnson concentrator