1.
Study on Structure of Reaming While Drilling Tools and Design of Suitable Bottom-Hole Assembly;
随钻扩眼工具结构及与之相匹配的钻具组合设计方法研究
2.
The Design on the Activities Template Drilling and Tapping Modular Machine Tool
活动模板式钻孔与攻丝组合机床设计
3.
BHA directional behavior
底部钻具组合定向特性
4.
semipacked bottom-hole assembly
半封隔井底钻具组合
5.
multistabilizer BHA
多稳定器底部钻具组合
6.
fully stabilized rotary assembly
全稳定的旋转钻具组合
7.
three-dimensional bottomhole assembly model
三维井底钻具组合模式
8.
stiff bottom hole hook up
刚性的下部钻具组合
9.
weight-responsive bottom-assembly
对钻压敏感的井底钻具组合
10.
Design of Fluid Drive and Electrical Control System for Bore Modular Machine Tool
钻孔组合机床液压传动和电气控制系统的设计
11.
The study on the physical simulated test-bed of combined braking systems of drill;
钻机组合刹车系统物理模拟实验台的设计研究
12.
Design of the Three Combination Drilling Machine Control System on PLC
基于PLC的三面钻组合机床控制系统设计
13.
Design and Simulation Study of Combined Drill's Special Hydraulic Clamp System
组合钻床专用液压夹紧系统的设计与仿真研究
14.
unit-type drill head
组合钻床钻头, 标准钻头
15.
Structural Design and Mechanism Study on Water-saving Rotary Percussive Devices;
节水型回转冲击钻具结构设计与钻进机理研究
16.
BHA finite element model
底部钻具组合有限元模式
17.
steerable downhole motor assembly
可转向的井下马达钻具组合
18.
BHA's relative rigidity
底部钻具组合的相对刚度