PDF(1936 KB)
PDF(1936 KB)
PDF(1936 KB)
复式桶形直眼掏槽中深孔爆破法掘进实验
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Testing on Medium Length Hole Blasting Technique of Compound Barrel Straight Cutting in Tunnel Excavating
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