用来做斜角的一种钻头。
最后提出了利用激光遥感回波脉宽展宽特性反演目标倾斜角的方法。
Finally, the method using the characteristics of the echo stretching to retrieve the target inclination Angle was brought forward.
对定向井井筒压力分布，计算时根据井斜角的变化采取分段计算的方法。
According to the changes of deviation Angle calculated the pressure distribution of directional well.
应用推荐