“mine gas”的概念、定义、翻译、参考文献-科学参考

单词	mine gas
释义	mine gas Encyclopedia 理学矿山工程地质问题释 mine gas矿井瓦斯矿井中主要由煤层气构成的以甲烷（CH4）为主的易燃易爆等气体的总称。
随便看	bird shit (guano) as phosphate rock birds holding ribbon patterns Birds, Insects and Turtles Sketched from Life birds island Bird's Nest birds of paradise flower family birdstrike bird-trouble bird watcher's house birdwatching bird-worm seal scripts Bird’s accident causation model bird’s-eye bird’s-eye perspective Bird’s Nest bird’s nest fungi birectangular birectangular quadrilateral birectangular spherical triangle birecurrent bireflectance bireflective subcategory birefraction birefringence birefringence, double refraction

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