复合顶板综采工作面在旋转回采过程中防止采空区煤炭自燃的研究与实施
복합정판종채공작면재선전회채과정중방지채공구매탄자연적연구여실시
The Study and Practice for the Prevention of Goaf Spontaneous Combustion in the Process of Rotating Backstopping Recovery for the Combined Roof Mechanized Coal Face
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