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

单词	orthobituminous coal
释义	orthobituminous coal [¦ȯr·thō·bǝ`tü·mǝn·ǝs `kōl] ^GEOLOGY Bituminous coal that contains 87-89% carbon, analyzed on a dry, ash-free basis.
随便看	doublet flow double-theodolite observation double-throw circuit breaker double-throw switch double tide double-track tape recorder double triode doublet trigger double-tuned amplifier double-tuned circuit double-tuned detector double-U groove weld double valves double-V groove weld double-wall cofferdam double-wedge cut double weighing double-welded joint double-winding synchronous generator double word double-word addressing double-work doubling dose doubling the angle on the bow doubling time

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