Keyword [Cross-measure borehole] Result: 1 - 2 | Page: 1 of 1 1.  Research On The Mechanism Of Permeability Enhancement Based On Breaking Coal-rock By Dynamic Impact Of Water Jet In Boreholes And Its Application On Gas Extraction 2.  Study On Hard Rock Drilling Efficiency For Underground Cross Measure Borehole In Huainan Mining Area   <<First  <Prev  Next>  Last>>  Jump to

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