1.
Recently, a common method is fixing direction of drill hole, not considering anisotropy of rock body.
目前,通用的设计方法是不考虑岩体的各向异性而采用固定的钻孔方向.
2.
Prediction Method for Bearing Capacity of Cast-in-Situ Single Pile
钻孔灌注桩单桩竖向承载力预测方法研究
3.
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
4.
Study on axial vibration drilling to improve positioning accuracy
轴向振动钻削提高钻孔定位精度研究
5.
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
6.
Research on Vertical Bearing Capacity Tests and Settlement Calculation Methods of Super Long Bored Pile
超长钻孔桩竖向承载能力试验及沉降计算方法的研究
7.
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
8.
Application of Wireless-while-drilling Technology on Large Diameter Directional Hole
无线随钻技术在大口径定向工程钻孔中的应用
9.
Make Use Guide Drill Case Drill a Hole Lead to of Deviate Heart of a Drill
使用导向钻套钻孔引出的中心偏移问题
10.
make a small hole in something as a guide for a drill.
在某物上做一个小孔，好像为钻孔机做向导。
11.
The molten lava got into every nook and cranny on its downward path.
熔岩向下流动时，无缝不钻，无孔不入。
12.
The construction craft research of directional note thick liquid water shutoff drill hole in the depletion region
过煤矿采空区定向钻孔施工工艺研究
13.
RESEARCH ON VERTICAL LOAD-BEARING PROPERTIES OF BORED PILE
钻孔灌注桩竖向承载能力的试验研究
14.
Selection of Core Drilling Method for WFSD-2 of Wenchuan Earthquake Scientific Drilling Project
汶川地震科学钻探二号孔取心钻进方法的选择
15.
If using this method, be sure to punch the holes from the opposite side and snip off the punched pieces of lead to avoid having them come loose inside the frame.
如果使用这个方法,一定要确定钻孔时要从外拍框向内拍框打孔，谨防避震条钻下的部分进入拍体。
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.
Analysis of Program of Deviation Prevention and Control in Freezing Hole Construction
冻结孔钻孔过程中的防偏及控偏方案浅析