孤岛综放工作面采空区残煤自燃指标气体及“三带”特征研究
고도종방공작면채공구잔매자연지표기체급“삼대”특정연구
Investigation on Indicator Gas on Residual Coal Spontaneous Combustion and Spontaneous Combustion Three Zone in Gob of Isolated Fully Mechanized Caving Face