Boring Technology of Long Borehole down Coal Seam

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HE Ming-chuan

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Publication Date：2005-01-01

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

Pages：4( 9-12 )

PKUISTIC

ISSN：1003-496X

Year, Vol.(Issue)：2005,36(3)