Study on optimization of hole sealing technology of"two sealing and one grouting"in soft 
and broken coal seam

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Study on optimization of hole sealing technology of"two sealing and one grouting"in soft and broken coal seam

WANG Peng

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Publication Date：2020-04-28

Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)

Pages：3( 41-43 )

ISSN：1008-3731

Year, Vol.(Issue)：2020,41(2)