“perhydrous coal”的概念、定义、翻译、参考文献-科学参考

单词	perhydrous coal
释义	perhydrous coal [¦pǝr`hī·drǝs `kōl] ^GEOLOGY Coal that contains more than 6% hydrogen, analyzed on a dry, ash-free basis.
随便看	Norian norite norm Norma normal normal acceleration normal adjustment normal aeration normal aiming error normal anticlinorium normal axis normal barometer normal benzine normal bonded-phase chromatography normal bundle normal chart normal consolidation normal contour normal coordinates normal curvature normal curve normal cycle normal density function normal depth normal derivative

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