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1دورية أكاديمية
المؤلفون: JI Qianhui, HAO Shijun, WANG Cheng, LIU Weiwei
المصدر: Gong-kuang zidonghua, Vol 46, Iss 3, Pp 79-83 (2020)
مصطلحات موضوعية: mine water-inrush, water-hazard prevention of coal mine, water-hazard detection of coal mine, comprehensive exploration, audio-frequency electric penetration, directional drilling, water-conductive collapse colum, Mining engineering. Metallurgy, TN1-997
وصف الملف: electronic resource
Relation: https://doaj.org/toc/1671-251X