“perbituminous”的概念、定义、翻译、参考文献-科学参考

单词	perbituminous
释义	perbituminous [¦pǝr·bǝ`tü·mǝ·nǝs] ^GEOLOGY Referring to bituminous coal containing more than 5.8% hydrogen, analyzed on a dry, ash-free basis.
随便看	reef reef breccia reef cap reef cluster reef complex reef conglomerate reef core reef debris reef detritus reef edge reef flank reef flat reef front reef-front terrace reef knoll reef limestone reef milk reef patch reef pinnacle reef rock reef segment reef slope reef talus reef tufa reef wall

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