Keyword [Thick top coal] Result: 1 - 5 | Page: 1 of 1 1.  Research On Control Mechanism Of Surrounding Rock Failure In Deep Roadways With Thick Top-coal And Contrast Of New Support Systems 2.  Study On Technology Of Hard And Thick Top-coal Weakening In Fully Mechanized Caving Faces In Binchang Mining District 3.  Research On Attachable Anchor Supporting Technology For Thick Top-coal Roadway In Maying Coal Mine 4.  Research On Surrounding Rock Control About Abandoned Roadway (Group) Lonowall Top-coal Caving 5.  Study On Surrounding Rock Control Mechanism And Truss Anchor Cable Support System Of Thick Roof Roadway In Chang Heng Coal Mine   <<First  <Prev  Next>  Last>>  Jump to

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