1. a usually brownish black coal intermediate between peat and bituminous coal especially one in which the texture of the original wood is distinct — called also brown coal
lignitic 片语
片语
lignitic material褐煤
lignitic lig褐煤
lignitic coal[矿物]
lignitic coing褐煤
lignitic tar褐煤焦油
lignitic c coal褐煤
lignitic actual褐煤
lignitic 例句
英汉例句
This paper analyzed moisture stand-by condition and its de-watering feature of lignitic coal, and based on principle of air flow drying, design and developed straight-tube air dryer.