Prevention treatment method for fully mechanized coal mining face

The invention discloses a fully mechanized coal mining face prevention and treatment method which comprises the following steps: when a working face is stoped to climb towards an oblique shaft part, pre-grouting holes are drilled in a lower side of a return airway and an upper side of a transportati...

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Bibliographische Detailangaben
Hauptverfasser: LI XIAOLONG, LI LIBO, SUN HAIPENG, YAO SHUAI, YANG QIULONG, BAI LIJUN, LYU ZHAOHAI, WANG LUN, ZHANG SEN, WANG HAO, YAO RONG, SUN HAO, MA SAI, KONG JUNFENG, MA TAO, SHEN MINGHUA, MENG XINGGUO, HUANG HUI, LIU DAPENG, CHEN XIAOLEI, LIU SHANG, ZHANG SHUN, HUANG HAIPENG
Format: Patent
Sprache:chi ; eng
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