coalminen.煤矿coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal seam Stubble Repeating煤层压茬Coal mining subsidence land采煤塌陷地coal-water-oil emulsion煤水油乳胶Coal and gas delay outburst煤与瓦斯延期突出Coal workers'pneumoconiosiscoal- transporting system输煤系统coal Mine drawings approval矿图审批coal and rock mass strength煤岩体强度coal tar pitch carbon fiber煤沥青碳纤维coal-distributing machine撒煤机