PDF(1172 KB)
PDF(1172 KB)
PDF(1172 KB)
浅孔留矿与中深孔爆破联合回采复杂矿体技术研究
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Research on the Technology of Mining Complex Orebody Combined Shallow Hole Shrinkage and Deep Hole Blasting Method
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