• Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.

    作为作业井架特殊支承构件工作特性作业井架力学行为较大影响。

    youdao

  • Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.

    作为作业井架特殊支承构件工作特性作业井架力学行为较大影响。

    youdao

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