英语词汇classification coal怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	classification coal
释义	classification coal 简明释义煤炭分类网络释义 1 ?煤分类 ... 分类，分级，分类法 classification 煤分类 classification coal 分类符号 classification symbol ... 短语 1 coal classification 煤的分类 2 industrial classification of coal 煤工业分类 3 Chinese Coal Classification 中国煤炭分类双语例句 1 Macroscopic classification for bituminous coal is one of the research tasks for coal petrology. 烟煤的宏观煤岩分类是煤岩学研究的内容之一。 2 In China national standards of coal classification, there only no type division of natural coke so far. 目前中国煤炭分类国家标准中，唯独对天然焦没有明确的分类指标。 3 Also available in classification iron, manganese ore and coal. 也可用于选别铁、锰矿石和煤。
随便看	IWN IWO Iwogumoa xinhuiensis iwojima Iwo Jima Iwon i-won Iwona i-wonde I wonder I wonder how I wonder if I wonder where they are i wonder whether I wonder why i-wont I won't say no. Iwopin i-word iwork I work for the government i-worth I would iwould i would give anything

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