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Keyword [broken and instability]
Result: 1 - 3 | Page: 1 of 1
1.
Study On The Law Of Roof Broken And Instability And The Control Of Large Mining Height Fully Mechanized Mining In Thick Coal Seam
2.
The Broken And Instability Law Of Hard Roof Of Fully-Mechanized Top Coal Caving Mining In Extra-Thick Coal Seam
3.
The Law Of Strata Pressure Behaviors Under The Couple Effect Of Coal Pillar And Interbedded Hard Rocks In Exploitation Of Double-system Coal Seams
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