PDF(1119 KB)
PDF(1119 KB)
PDF(1119 KB)
反循环气动潜孔锤进气端分流引射接头设计 及结构参数分析
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Design of distribution jet joint at inlet port of reverse circulation pneumatic DTH hammer and analysis of its structure parameters
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