1.
combination center drill
组合中心钻，复合中心钻
2.
compound center drill without jacket
不带护套复合中心钻
3.
balancing centering machine
平衡-钻中心孔机床
4.
spotfacing and centering machine
平端面钻中心孔机床
5.
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
6.
Wire-line Core Drilling in Water Sensitive Formations
绳索取心钻进技术在水敏层中的应用
7.
Determination Method of Drilling Parameters Applied for Machining Centers
应用于加工中心的钻削用量确定方法
8.
adjustable jaws center workpiece in a lathe or center tool in a drill.
在车床或钻孔机中心工具内的可调整中心工件。
9.
Application Prospect of Air Foam Drilling Techniques in Geological Core Drilling
空气泡沫钻进技术在地质岩心钻探中的应用前景
10.
Analysis on the Cause of Drilling Pipe Fracture in Wire-line Coring Construction and the Countermeasures
绳索取心钻探施工中钻杆折断原因分析及应对措施
11.
Mitsubishi M64 Digital Control System's Application in Drilling Center Retrofitting
三菱M64数控系统在钻削中心改造中的应用
12.
Tool shanks and draw-in must have a central through bore.
刀柄和引入轴必带一个穿过钻孔的中心点。
13.
National Quality Supervision & Testing Center for Petroleum Drilling Exploiting & Petro-Chemical Equipment
国家石油钻采炼化设备质量监督检验中心
14.
Application of Tunnel Core-Drilling in the Plutonic Development of the Langyashan Copper Mine
坑内心钻在琅琊山铜矿深部开拓中的应用
15.
Research on Deep Hole Wire Line Core drilling Tech.in Complicated Stratum
复杂地层中深孔绳索取心钻探技术研究
16.
THE APPLICATION OF HYDROCYCLONE TO THE MUD SOLID CONTROL IN EXPLORATION CORE DRILLING
水力旋流器在岩心钻探泥浆固相控制中的应用
17.
Method for eliminating centrifugal acceleration in rotary steerable drilling system.
旋转导向钻井系统中离心加速度消除方法研究
18.
Discussion on the Diameter of Main Section in Medium-shallow Hole in Diamond Core Drilling for Geological Exploration
地质勘探金刚石岩心钻探中浅孔主体口径探讨