coaleumn.煤烃coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal-powder boiler煤粉炉coal mine atmosphere煤矿空气coal quality request煤质要求coal recoverey drill螺旋采煤机coal fired equipment烧煤设备coalbed gas resource煤层气资源量coal - dust boiler煤粉炉coal seam conditions煤层条件coal and electricity煤电coal grinding system粉磨系统

1. Supply wide range of high quality anthracite, the quality anthracite, coal gangue.
   供应各种优质无烟煤，次质无烟煤，煤矸石。
2. Using coal gangue as raw material, we made a kind of new type polymer reinforcing filler for rubber by ultr.
   本论文用煤矸石作原料，通过超细粉碎，表面改性制成了一种高分子聚合物的补强填充剂。