• The designed testing system in the paper can complete these tests as to air pressure, airflow rate, rotary speed, bit weight and drilling depth in the process of well drilling.

    本文设计物探钻具性能测试系统完成钻井过程中的空气压力空气流量、转速、钻井深度等参数的测试

    youdao

  • The designed testing system in the paper can complete these tests as to air pressure, airflow rate, rotary speed, bit weight and drilling depth in the process of well drilling.

    本文设计物探钻具性能测试系统完成钻井过程中的空气压力空气流量、转速、钻井深度等参数的测试

    youdao

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