单词fusain
n.: 炭画笔；炭笔画；炭素
网络: 丝炭；丝煤；乌煤
乌煤
丝煤
炭素
炭笔画
炭画笔
复数：fusains
The liquefaction experiment results showed that the oil production rate and conversion rate of the vitrain would be higher than the fusain.
液化试验结果表明，镜煤的油收率和转化率都要高于丝炭。
Analysis of Structure Between Vitrain and Fusain X-Ray Diffraction Analysis
镜煤与丝炭结构的X射线衍射初步分析