Keyword [roof controlling] Result: 1 - 4 | Page: 1 of 1 1.  Research On Roof Controlling Techniques In45°horizontal Section Top-coal Caving 2.  Research On The Working Face Of Broken Roof Control Technology Under The Gob In Splitting And Merging Coal Seams 3.  Study On Movement Laws Of Overlying Strata And Its Control Of Extra-thick Coal Seam Mining In Xinjiang Region 4.  Research On Intelligent Controlling Principle And Reasonable Setting Loads Of The Hydraulic Support   <<First  <Prev  Next>  Last>>  Jump to

Globe Thesis Copyright © 2023. All Rights Reserved. | Privacy | Copyright | Contribute | About | Contact | RSS