英语词汇“perbituminous”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	perbituminous
释义	perbituminous perbituminous [¦pər·bə′tü·mə·nəs] (geology) Referring to bituminous coal containing more than 5.8% hydrogen, analyzed on a dry, ash-free basis.
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