The research on the fractured blocks of the top-coal in the longwall top-coal caving technique of the hard coal seam
WANG Jia-chen
BAI Xi-jun
WU Zhi-shan
XIONG Dao-hui
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Publication Date：2000-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 238-242 )