英语词汇“black lignite”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	black lignite
释义	black lignite black lignite [′blak ′lig‚nīt] (geology) A lignite with a fixed carbon content of 35-60% and a total carbon content of 73.6-76.2% that contains between 6300 and 8300 Btu per pound; higher in rank than brown lignite. Also known as lignite A.
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