coalbinn.煤箱
coaln.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
coal calorific value发热量
coal dispatch manner配煤方案
coal energy cleaning煤炭能量净化
Coal and environment煤炭与环境
coal loading station装车站
coal for power plant电力用煤
coal dust classifier煤粉分离器
coal roadway driving煤巷掘进
coal - related gas煤成气
coal mine mine shaft煤矿井下