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Technique of top coal caving with vibration

Procedia Earth and Planetary Science, 2009
exaly  

Dynamic caving interval technology and its mechanisms for improving top coal recovery at the upward–downward transition of longwall top coal caving panel

Computational Particle Mechanics
Weijie Wei   +2 more
exaly  
extra-thick coal seam
fully mechanized caving mining
intelligent coal caving
metallurgy
mining engineering
fully mechanized top coal caving
large mining height
intelligent mining
hydraulic support
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