Research on Instability and "Three Roofs Two Zones Three Supports" Control System of Roadway with Mudstone Roof
SUN Zeng-fei
GAO Qing-song
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Publication Date:2011-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
SAFETY IN COAL MINES

SAFETY IN COAL MINES

PKUISTIC
ISSN:1003-496X
Year, Vol.(Issue):2011,42(4)