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Keyword [upper limit of mining]
Result: 1 - 6 | Page: 1 of 1
1.
A Study On The Engineering Geology Characteristics And On The Mechanics Of Water And Sand Bursting From The Overlying Strata Of Mining Coal Seam In Qidong Coalmine
2.
Study On The Reasonable Retainning Of The Waterproof Coal Pillar Of Steep Medium & Thick Coal Seam With Hard Roof
3.
Risk Assessment And Prevention Of Coal Mining Support Crushing Under Unconsolidated Confined Aquifer
4.
Failure Characteristics Of Overlying Strata In Shallow Coal Seam Mining And Setting Of The Water(sand)-proof Pillar
5.
Study On Reasonable Parameters Of Coal Pillars In Suntuancoal Mine On 10
6.
Mining Under The Gravel Aquifer In The Western Mining Area Of The Great Wall Three MinesCoal (Rock) Column Retention Study
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