“ortholignitous coal”的概念、定义、翻译、参考文献-科学参考

单词	ortholignitous coal
释义	ortholignitous coal [¦ȯr·thō·lig`nīd·ǝs `kōl] ^GEOLOGY Coal that contains 75-80% carbon, analyzed on a dry, ash-free basis.
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