钻孔顶角 meaning in English
zenithal angle of hole
zenithalangleofhole
Examples
- Utilize energy method to research crook problem of drilling rod under pressure and act on together , having studied the crooked influence to the drilling rod of torsion emphatically , the theory analyses found that axial load , hole vertex angle and torque are important factors of influence drilling rod crook
利用能量方法研究了压力和扭矩共同作用下钻杆的弯曲问题，着重研究了扭矩对钻杆弯曲的影响，理论分析发现，轴向载荷，钻孔顶角和扭矩是影响钻杆弯曲的重要因素。