PDF(1379 KB)
PDF(1379 KB)
PDF(1379 KB)
矸石整体置换“三下”煤柱后关键层移动与 等价采高的关系及其移动特征
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Relations between the Key Stratum Movement and Equivalent Mining-height Induced by Coal-pillar Replaced By Gangue Backfill under Three Circumstances and Characteristics of Strata Movement
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