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Keyword [caving zone]
Result: 21 - 27 | Page: 2 of 2
21. The Study On The Mechanism And Experiment Of Pre-filled Repeated Mining Of The Old Mining Damage Zone
22. Effect Investigation And Optimization Of Nitrogen Injection In The Goaf Of Yuandian No.1 Coal Mine
23. Study On Overburden Failure Law Of Mining On Thin Bedrock Sandstone Roof Face
24. Research On The Development Law Of "three Belts" In The Roof Of 1805 Working Face In Wulunshan Mine
25. Strata-pressure Behavior In The Conditions Of Different Coal Pillar Sizes In The ChaiGou Coal
26. Study On Overburden Damage Movement Law Of E3213 Working Face In Qianyingzi Coal Mine
27. Study On Strata Behavior Features And Control Technology Of Large Mining Height Fully-Mechanized Face
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