英语词汇“coal dust”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	coal dust
释义	coal dust Translations coal dust coal dust [′kōl ‚dəst] (mining engineering) A finely divided coal, sometimes defined as coal that will pass through 100-mesh screens (100 wires to the inch or 40 wires to the centimeter). coal dust coal dust Occupational medicine Finely particulate carbonaceous dust, often mixed with silicates; CD is a known lung irritant intimately linked to coal workers' pneumoconiosis–black lung disease. See Coal dust macule, Coal workers' pneumoconiosis.
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