Analysis on grey classification to environment state of a underground haulage system
JING Guo-xun
FENG Chang-gen
DU Wen
Zhang Fu-ren
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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( 181-185 )
JOURNAL OF CHINA COAL SOCIETY

JOURNAL OF CHINA COAL SOCIETY

PKUISTICEI
ISSN:0253-9993
Year, Vol.(Issue):2000,25(2)