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Keyword [Protection layer mining]
Result: 1 - 7 | Page: 1 of 1
1.
Theories And Tests Of Stereo Gas Drainage For Outburst Prevention Under Closed Distance Seam Group With Protection Layer Mining
2.
Study On The Technology Of Pressure-relief Permeability Increasing Caused By The Protection Layer Mining In Changping Mine
3.
The Research On Mechanical Characteristics Of Surrounding Rock And The Influence Of Interlayer Distance In The Process Of Protection Layer Mining
4.
Research On The Protective Layer Mining Of The Coalseam3of Xuecun Coal Mine
5.
The Effect Of Pressure Relief Range Of Protective Layer Mining And Protection Research
6.
Study On Effection And Range Of Mining Under Protection Layer In Dashu Coal Mine
7.
Research On Pressure Relief Features And Gas Migration Regularity Of Single Thick Coal Seam Under Condition Of Lower Protective Layer Mining
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