Method:High speed drill system(Midas Rex)combined with the microendoscopic system were used in 108 cases available to minimally invasive lumbar spine operation.
目的:探讨Midas Rex高速磨钻结合后路显微内窥镜在脊柱手术中的应用效果。
Improvement of penetration rate with hydraulic pulsating-cavitation jet compound drilling technology
利用水力脉冲空化射流复合钻井技术提高钻速
A Study on the Theory and Technology of Drilling Fluids to Increase ROP.
提高机械钻速的钻井液理论与技术研究
Research on the Technology of Increasing Drilling Penetration in Xujiaweizi Region
徐家围子地区提高钻井速度技术研究
The Application of New Technique of Improving Drilling Speed in the Western of Hubei and Eastern Chongqing
提高钻井速度新技术在鄂西渝东地区的应用
Technical measures to improve drilling speed in the ultra-deep wells at the LG area
LG地区提高超深井钻井速度的技术途径
IMPROVING THE RATE WHILE DRILLING DEEP,OR ULTRA DEEP WELL IN THE COMPLEX GEOLOGICAL STRUCTURE OF EAST SICHUAN
提高川东复杂地质深井超深井机械钻速的研究
Researches on Enhancing Drilling Speed of Development Wells in Puguang Gas Filed
提高普光气田开发井钻井速度的技术研究
Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.
井下液力推进器的应用在一定程度上解决了钻压的施加问题，有利于提高钻进速度。
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
The Spindle System and Drills Dynamic Characters Study for High-speed Micro-drills;
高速微孔钻床主轴系统及钻头的动态特性研究
Study on High Accuracy and High Speed PCB NC Drilling Machine Based on PLC
PLC型高速高精度PCB数控钻床的研制
Experiment to Improve Chip Breaking Performance of Drill Tip in Stainless Steel Drilling
不锈钢钻削中提高钻尖断屑性能的试验研究
Promote the efficiency of drilling equipments in tunneling and drilling rocks
提高钻探设备在岩石中掘进钻井的效率
Technical measure for enhancing treating ability of drilling tools for drilling pipe sticking by section reducing
提高钻具处置缩径卡钻能力的技术措施
A Brief Explanation of Air Actuated DTH Hammer Drilling Efficiency
空气潜孔锤钻进是提高钻进效率的有效途径
They introduced a special method of high-speed drilling.
他们采用了一种高速钻探的特殊方法。
a high speed drill that dentists use to cut into teeth.
牙医用来打进牙齿的高速钻机。
Finite Element Analysis of High Speed Micro-drills Spindle System;
高速微孔钻床主轴系统的有限元分析