PDF(2134 KB)
PDF(2134 KB)
PDF(2134 KB)
基于松动圈理论的充填体下巷道顶板安全厚度和支护方式
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Roof Safety Thickness and Support Pattern of Roadway Under Fillings Based on Released Zone Theory
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