Study on Rational Section Coal Pillar Size of Fully Mechanized Top Coal Caving Mining in Extra Thick and Hard Seam
ZHANG Yong-jiu
CHENG Yun-hai
LI Lin
LI Nai-lu
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Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 10-13 )