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Keyword [crossing hole]
Result: 1 - 4 | Page: 1 of 1
1.
Research Of The Effects On Outburst Elimination Of The Hydraulic Flushing In Xin'an Coalfield
2.
Guizhou Songhe Coal Mine Borehole Parameter Optimization Research
3.
Study On Crossing Hole Pre-drainage Gas Out Burst Prevention Of Cross-hole Uncovering Coal
4.
Technology And Engineering Practice Of High Gas And Low Permeability Coal Seam Drainage With Hydraulic Slit
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