10 mineable coal seams in Inner Mongolia  内蒙十层可采煤层

behavior characteristic of coal in furnace  炉内煤粉颗粒的行为特征

Correlation of Coal Seams  煤层对比

erosion zones in coal seams  煤层冲刷带

lower group of coal seams  下组煤

Mercury in coal of China  中国煤中汞

overlying strata of upper coal seam  上位煤层覆岩

permeability of coal seams  储层渗透率

roof of coal seams  煤层顶板

stress of coal seams  煤层应力状态

Taiyuan formation coal  太原组煤

trace elements in coal of China  中国煤中微量元素

water infusion in coal seams  煤层注水

formation of coal-field in North-eastern China  东北煤田岩层

cause of formation in the river pattern  河型成因

Bitao Formation of Upper Cambrian Series  上寒武统比条组

Linxi formation of Upper Permian  上二叠统林西组

the upper member of Guantao Formation  馆陶组上段

Upper member of Eh3  核三上亚段