PDF(732 KB)
PDF(732 KB)
PDF(732 KB)
YDX-3L钻机在宝兴沟矿区深孔钻探中的应用
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Application of YDX-3L Drilling Rig in the Deep Hole Drilling of Baoxinggou Orefield
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