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Keyword [long-hole pre-splitting controlling blast]
Result: 1 - 3 | Page: 1 of 1
1.
Study On The Technology Of Increasing Drainage In High Gas And Low Air Permeability Coal Seam
2.
Study On The Technology Of Long-hole Pre-splitting Blast Controlling In High Gas Coal Seam To Increase Permeability
3.
Research On Long-hole Pre-splitting Controlling Blast Technology Improveing Gas Extract In Low Permeability Coal Seam
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