vitrofusinite
结构镜煤质丝煤 telofusain
丝质镜煤 fusovitrain
微丝质镜煤 fusovitrite
镜质组和惰质组分别作为镜煤和丝炭的主要物源，形成于截然不同的泥炭沼泽环境，致使结构和性质差异大。
Vitrinite and inertinite were formed distinct peat swamp environment as main origin of vitrain and fusain, which was essential reason for liquefaction properties.
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