المؤلفون: YANG Zhen, YANG Yongliang, GUO Ruirui, GUO Aiwei, ZHAO Yangyang

المصدر: Gong-kuang zidonghua, Vol 47, Iss 2, Pp 38-44 (2021)

مصطلحات موضوعية: fully mechanized mining, goaf-side roadway driving, stability of surrounding rock, mining thickness, coal pillar width, Mining engineering. Metallurgy, TN1-997

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1671-251X

URL الوصول: https://doaj.org/article/e133167d09f444db810e00e23bf286fd