1.
The Design and Its Experimental Researcch of a Drill Bit for Down-hole Casing Drilling
石油井下套管开孔钻头设计及试验研究
2.
To make a hole in or through, with or as if with a drill.
钻，凿，开洞用或似用钻打洞或钻孔
3.
bolt or cotter-pin drill
螺栓或开尾销孔钻头
4.
He broached a barrel of cider.
他钻孔开了一桶苹果酒。
5.
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
6.
The post-process for hole-machining of Heidenhain iTNC530
海德汉系统钻孔循环后置处理的开发
7.
tap(ping) drill
螺丝孔钻，螺丝底孔钻
8.
The sorker was drilling.
此工人在用钻孔机钻孔。
9.
And it is used successfully in shield tunneling, horizontal drilling, deep drilling, slotted walls and bore piles construction projects.
主要应用于盾构隧道挖掘，水平钻孔，深层钻孔，开凿围墙和钻桩的建筑项目。
10.
Analysis of Safety Accidents of Dropping Buckle in the Trenchless Construction
非开挖钻孔施工中钻杆退扣事故分析及预防措施
11.
Any of numerous hand tools for boring holes.
钻孔工具，手钻钻孔用的手持工具
12.
Practice of using raise boring in excavation of guide hole for shaft with large angle of inclination
反井钻开挖大倾角斜井导孔的工程实践
13.
DEVELOPMENT AND APPLICATION OF UNDER-REAMED BORE PILE DRILLIED BY MECHNICAL ROTATING CUTTER
钻孔机械旋转刀扩底灌注桩的开发与应用
14.
Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;
硬岩非开挖钻进摆动式潜孔锤定向机构的研究
15.
Development of the Mining Intelligent Thermometric Indicator for the Hole in Mine Fire Resistance;
矿用智能防灭火钻孔温度测量仪的开发与研制
16.
The Researching of Slurry s Effect in the HDD (Horizontal Directory Drilling);
非开挖水平定向钻孔中的泥浆作用机理研究
17.
Research and Development of the PCB Auto Locate Drill Based Optical Scanning;
印制板光学自动找正钻孔机研究与开发
18.
Study on Bridge Bored Pile Foundation System Based on ObjectARX and AutoCAD
基于AutoCAD和ObjectARX桥梁钻孔桩基础CAD开发系统的研究