70 years of investigation on Karst collapse column in North China Coalfield: cause of origin, mechanism and prevention
YIN Shangxian
LIAN Huiqing
LIU Demin
YIN Huichao
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Publication Date：2019-11-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：29( 1-29 )