Coal Seam Injection in Full-mechanized Sublevel Caving Faces and Effect Analysis
ZHANG Feng
ZHANG He-sheng
XIAO Jin
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Publication Date:2006-01-01
Pages:3( 23-25 )
SAFETY IN COAL MINES

SAFETY IN COAL MINES

PKUISTIC
ISSN:1003-496X
Year, Vol.(Issue):2006,37(4)