“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	bracken fern family bracken poisoning bracket bracket conveyer bracketed bracketed expression bracketing bracket of hydro-generator bracket operation bracket polynomial bracket product bracket representation of Chinese character structure bracket skein triple bracket system Brackett continuum Brackett limit Brackett series brackish-saline water lake brackish water brackish water irrigation brackish water treatment bract bracteal bracteole bractlet

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