PDF(2881 KB)
PDF(2881 KB)
PDF(2881 KB)
低应力软岩复合顶板大变形煤巷支护技术
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Support Technology for the Low Stress and Soft Strata Composite Roof with High Deformation Roadway
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