英语词汇“semibituminous coal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	semibituminous coal
释义	semibituminous coal semibituminous coal [¦sem·i·bə′tü·mə·nəs ′kōl] (geology) Coal that is harder and more brittle than bituminous coal, has a high fuel ratio, contains 10-20% volatile matter, and burns without smoke; ranks between bituminous and semianthracite coals.
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