Application of Drill Hole for Gas Extraction in the Drilling from Floor Rock Roadway Floor Carry out Gas Suction in Advance in the Process of Excavation of Coal Roadway

doi:10.3969/j.issn.1008-3731.2009.04.039

Home>Articles>Application of Drill Hole for Gas Extraction in the Drilling from Floor Rock Roadway Floor Carry out Gas Suction in Advance in the Process of Excavation of Coal Roadway

DOI: 10.3969/j.issn.1008-3731.2009.04.039

Application of Drill Hole for Gas Extraction in the Drilling from Floor Rock Roadway Floor Carry out Gas Suction in Advance in the Process of Excavation of Coal Roadway

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Publication Date：2009-01-01

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

Pages：2( 72-73 )

COAL SCIENCE & TECHNOLOGY MAGAZINE

ISSN：1008-3731

Year, Vol.(Issue)：2009,(4)