Font Size:
a
A
A
Keyword [directional long drilling]
Result: 1 - 6 | Page: 1 of 1
1.
Study On Stability And Optimal Arrangement Of Boreholes Drilled By 1000m Drilling Machine For Gas Extraction In Yuwu Coal Mine Tunneling Faces
2.
Study On Gas Control Technology In Working Face Of Yangliu Coal Mine
3.
Research On Overlying Rock Fracture Evolution Law And Directional Drilling Gas Drainage Technology In Shaqu No.1 Mine
4.
Research On Three-dimensional Comprehensive Gas Pre-drainage Technology And Application In Huangling Mining Area
5.
Study On The Evolution Of Overlying Rock Fractures And Gas Enrichment During Fully Mechanized Caving Mining In Dafosi Coal
6.
Study On Efficient Extraction Method Of Relieving Pressure Gas In Directional Long Borehole Of Floor
<<First
<Prev Next>
Last>>
Jump to
