应用数值计算方法，分析了偏心钻头底部钻具组合的受力和变形特性。

The mechanical properties and the deformation characteristics of the BHA with the eccentric bit are analyzed.

youdao

应用数值计算方法，分析了偏心钻头底部钻具组合的受力和变形特性。

The mechanical properties and the deformation characteristics of the BHA with the eccentric bit are analyzed.

youdao