英语词汇“zone melting”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	zone melting
释义	zone melting or zone refining n. A purification technique for crystalline substances in which a heating system passes slowly over a bar of the material to be refined, creating a molten region that carries impurities with it across the bar.
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