片语
low rank bitumite raw低级糖料
lignite bitumite褐性烟煤
anthracitic bitumite翻译
low rank bitumite salinity低盐度
bituminous coal[矿物] 烟煤;沥青煤(等于soft coal)
Bitumite-moulded coal烟煤型煤
anthracitie bitumite无烟煤性烟煤
Datong bitumite大同烟煤
low rank bitumite relief低地势
bitumite e烟煤
soft coal烟煤