Keyword [Roof strata movement] Result: 1 - 3 | Page: 1 of 1 1.  Research For The Movement Law Of Top Coal And Roof In Fully Mechanized Top Coal Caving In "Three Soft" And Extra-thick Coal Seam 2.  Study On Roof Strata Movement And Surrounding Rock Stress Response In Dongjiahe Coal Mine 3.  Mining Scale Effect Of Roof Strata Movement Law In Fully Mechanized Mining Face   <<First  <Prev  Next>  Last>>  Jump to

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