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Keyword [artificial pillar]
Result: 1 - 4 | Page: 1 of 1
1.
Room And Pillar Method To Pressure The Structural Parameters Of Processing And Human Mining Column
2.
Research On Principal Technology Of Recovering Room Coal Pillar With Combined Artificial Pillar And Solid Backfill Mining
3.
The Study Of Technology On Support Pillars Recovery Of Sublevel Open Stoping Backfilling Method In Huashugou Copper Mine
4.
Surrounding Rock Control Technology Of Artificial Pillar Collaborative Short-Wall Block Mining
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