Test of roof interception directional drilling for close distance coal seam group gas control in Qidong Coal Mine
ZHANG Chaoju
FANG Jun
YANG Yali
WANG Xian
YANG Xiaoji
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Publication Date：2021-11-10
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 112-118 )