1.
The Optimal Design About the Trajectory of Non dig Guided Boring
非开挖导向钻进钻孔轨迹的优化设计
2.
Study on Trajectory Measurement Technology of the Point-the-Bit Rotary Steerable Drilling System
指向式旋转导向钻具钻孔轨迹测量研究
3.
Analysis and Application of Horizontal Ground Freezing Drilling-hole Trajectory in Construction of Metro Bypass
地铁旁通道水平冻结钻孔轨迹分析及应用
4.
Research on Measurement-while-drilling Technology in Underground Mine and Data Processing Method of Borehole Trajectory
煤矿井下随钻测量技术及钻孔轨迹数据处理方法研究
5.
The Design of Well Course's Computing and Drawing Software
钻井井(孔)眼轨迹计算与图形绘制软件的设计
6.
The Research of 3D-Visualization of Guided Boring Trajectory;
非开挖导向钻进轨迹三维可视化研究
7.
3D visualization of hole trajectory in directional well drilling
定向井实钻井眼轨迹三维可视化描述
8.
The Transforming Track of Kong Yiji from Human to Nonhuman;
试析孔乙己由“人”到“非人”的转变轨迹
9.
Deviation Percent Model to Analyze Target Hitting of Actual Horizontal Wellbore Trajectories
水平井实钻轨迹中靶效果分析的偏差率模型
10.
ANALYSIS OF HOLE TRAJECTORY WITH BIT FORMATION INTERACTION MODELS
钻头与地层相互作用模型用于井眼轨迹分析
11.
PERTURBATION STOCHASTIC FEM ANALYSIS FOR WEIGHT ON BIT ( WOB ) FLUCTUATION OF DRILL STRING
钻压波动对轨迹影响的摄动随机有限元分析
12.
The Study and Realization of the Trenchless Guide Drilling Trace-designing Software;
导向钻进非开挖轨迹设计软件的研究与实现
13.
Research on the Optimum Design of 3D Pilot-hole Trace in HDD;
非开挖导向钻进轨迹三维优化设计研究
14.
Research of Horizontal Directional Drilling Trace Optimization and Software Design in No-dig Engineering;
非开挖水平定向钻进轨迹最优化研究及软件设计
15.
Application of polar stereographic projection in the well trajectory design and calculation of directional drilling
极射赤平投影在定向钻进轨迹设计计算中的应用
16.
tap(ping) drill
螺丝孔钻，螺丝底孔钻
17.
The sorker was drilling.
此工人在用钻孔机钻孔。
18.
Application of Polar Iso-distance Net in Drawing Borehole Track Plane Projecion and Analysing Borehole Inclination Law
极等间距网在钻迹成图及孔斜规律分析中的应用