| 释义 |
褐煤hèméi煤的一种,一般褐色,有的灰黑色,含水分较多。除做燃料外,还用来提炼汽油、煤油、焦油等。{lignite; brown coal; a kind of coal, generally brown in colour, sometimes greyish-black, containing extra moisture. It can be used as fuel, and gasoline, kerosene and tar can also be extracted from it.} |