英语词汇“dull coal”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	dull coal
释义	dull coal [d?l k?ul] 释义暗煤行业词典地质学暗淡煤??? 煤炭暗淡煤???光泽最暗的宏观煤岩类型。质地坚硬、韧性大、相对密度大、含大量矿物质、层理不明显。主要由暗煤组成。???
随便看	lead wire lead-wire compensation lead wire compensation lead wire compensator lead wire error lead with lead with ... chin lead with one's chin lead with something lead with sth lead with the chin lead wolframate leadwood lead wool leadwool lead word lead word number lead work leadwork leadworks leadwort leadwort families leadwort family leadworts lead X-ray glass

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dull coal