1.
BHA directional behavior
底部钻具组合定向特性
2.
multistabilizer BHA
多稳定器底部钻具组合
3.
stiff bottom hole hook up
刚性的下部钻具组合
4.
BHA finite element model
底部钻具组合有限元模式
5.
BHA's relative rigidity
底部钻具组合的相对刚度
6.
Mechanical Performance and Fatigue Failure of Bottom Hole Assembly;
下部钻具组合力学特性分析及疲劳失效研究
7.
semipacked bottom-hole assembly
半封隔井底钻具组合
8.
three-dimensional bottomhole assembly model
三维井底钻具组合模式
9.
weight-responsive bottom-assembly
对钻压敏感的井底钻具组合
10.
fully stabilized rotary assembly
全稳定的旋转钻具组合
11.
steerable downhole motor assembly
可转向的井下马达钻具组合
12.
Analysis on Mechanical Properties of Positive Displacement Motor Assembly and Its Applicationin Coal Mine Engineering Hole;
煤矿工程孔中螺杆钻具组合力学特性分析及应用
13.
Measurement Method and Experimental Research on Dynamic Force Behavior of Bottom Drill String
底部钻柱动态力学特性测量方法与实验研究
14.
Strength Analysis of Pressure and Torsion Combination Loads of Flapper Teeth of LTC
螺杆钻具瓣形万向轴瓣齿压扭组合强度分析
15.
(combining form) having a throat as specified.
（组合词）具有特定的喉咙。
16.
Analysis of Mechanics Performance and Life Prediction for Lobe Type Couplings of PDM
螺杆钻具万向轴力学特性分析及寿命预测
17.
Study on dynamic characteristics of controlled objects in stabilized platform of rotary steerable drilling system
旋转导向钻井稳定平台控制对象动态特性研究
18.
Mechanism Research of Gas Drainage by Drilling Long Holes
井下预抽瓦斯定向长钻孔的合理性参数研究