mineral dressing
英
美
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Noun:
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crushing and separating ore into valuable substances or waste by any of a variety of techniques
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用作名词 (n.)
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The recovery of associated gdd and silver ores has been a subject of ore dressing workers in various countries.
伴生金银回收一直是各国选矿工作者研究的课题。
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌