Drilling experiment research on bedding directional drilling of soft-fragmentized coal seam of Qinglong Coal Mine
LI Quanxin
FANG Jun
CHU Zhiwei
LIU Fei
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Publication Date：2018-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 1-6 )