• 本文分析了影响曲率主要因素论述满眼防斜钻具组合设计原则

    In this article, the principal factors affecting hole curvature are analysed, the principle of anti-deflecting packed hole assembly design is discussed.

    youdao

  • 本文分析了影响曲率主要因素论述满眼防斜钻具组合设计原则

    In this article, the principal factors affecting hole curvature are analysed, the principle of anti-deflecting packed hole assembly design is discussed.

    youdao

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