• The test system of geophysical exploration drilling tools abilities designed in the paper is the important base and critical measure to guarantee the research work.

    本文设计物探钻具性能测试系统,则保障该项研究工作重要基础关键手段

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  • The drilling was the main method in the passed construction foundation explorations, and the electric exploration and shallow seismic exploration were the main geophysical methods.

    以往的地基勘查中,以钻探为主物探方法主要

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  • Regarding to the problem, XC-82 hydraulic rotary impact drilling tools and matching bits are developed by Daqing Geophysical Exploration Corporation.

    针对这一问题大庆物探公司研制出XC- 82型液力钻具配套钻头

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  • Regarding to the problem, XC-82 hydraulic rotary impact drilling tools and matching bits are developed by Daqing Geophysical Exploration Corporation.

    针对这一问题大庆物探公司研制出XC- 82型液力钻具配套钻头

    youdao

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