英语词汇“gas permeability of coal seam”的读音、翻译、释义、用法及例句-英译汉实时翻译、汉译英在线翻译、英汉互译翻译词典-国先网

词汇	gas permeability of coal seam
类别	英译汉实时翻译、汉译英在线翻译、英汉互译翻译词典
释义	gas permeability of coal seam 英?[ɡ?s ?p?:mi??biliti ?v k?ul si:m] 美?[ɡ?s ?p?mi??b?l?ti ?v kol sim] 释义煤层透气性行业词典煤炭煤层透气性???在一定条件下，瓦斯在煤层中流动的难易程度。可由“透气性系数(coefficient of permeability)”衡量。透气性系数与渗透率成正比。???
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gas permeability of coal seam