PDF(165 KB)
PDF(165 KB)
PDF(165 KB)
WGL-1型中深孔深度倾角测量仪的应用和评价
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}The Application And Evaluation Of The TypeWGL- 1 Medium Depth Bore Obliquity Survey Meter
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