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Keyword [coal pillar width]
Result: 41 - 50 | Page: 3 of 3
41.
Study On The Reasonable Size Of Coal Pillar For Coal Mining In Xinji No.2 Coal Mine
42.
Research On Reasonable Width And Support Technology Of Small Coal Pillar Mechanized Top Caving Mining Of Extra Thick Coal Seam
43.
Research On Reasonable Width Of Coal Pillars In Thick Coal Seam's Fully Mechanized Caving Face
44.
Research On The Optimization Of Coal Roadway Support And Coal Pillar Parameters In The Top Coal Failure Area
45.
Study On Reasonable Reserved Coal Pillar Width For Gob-Side Entry Driving By Roof Cutting And Pressure Relief In Selian No.2 Mine
46.
Research And Application Of The Reasonable Position Of The Mining Roadway Under The Strip Coal Pillar
47.
Study On Surrounding Rock Control Technology Of Roadway Heading Face In Bailu Coal Mine
48.
Study On Width Reservation And Stability Of Coal Pillar In 421-2 Face Of Chenjiashan Coal Mine
49.
Study On Stress Distribution Law Of Pre-mining Upper Layered Concave And Convex Coal Body And Optimization Of Mining Roadway Position
50.
Research On Reasonable Narrow Coal Pillar Width For Pressure Relief And Outburst Elimination In Gob-side Roadway
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