Keyword [sealing length] Result: 1 - 4 | Page: 1 of 1 1.  The Experimental Study On Polyurethane Sealing In Coal Mine 2.  Optimization Of Sealing Material And Sealing Length For Hydraulic Fracturing Borehole In Underground Coal Mines 3.  Study On Gas Extraction Technology Of Cis Layer Drilling In 11-2 Coal Seam Of Pan San Mine 4.  High-efficiency Sealing Technology And Equipment For High-pressure Water Injection In Gaojiapu Coal Seam   <<First  <Prev  Next>  Last>>  Jump to

Globe Thesis Copyright © 2026. All Rights Reserved. | Privacy | Copyright | Contribute | About | Contact | RSS