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煤核
释义
煤核méihé[coal Cinder partly-burned coal] 煤中的一种结核,通常由方解石或氧化硅和碳质物质组成,并有碎片状或显微状的植物残体
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英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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更新时间:2026/1/19 13:32:34