The sticking steel is one common trouble of drilling equipment and an important cause effecting the high efficiency and high quality drilling of hydraulic drill.
卡杆现象是穿孔设备常见的故障之一，是影响液压凿岩钻机高效率、高质量穿孔的重要原因。
The accurate estimate of the drill string vibration and the corresponding technique are very important to protect the FEWD equipment and increase the comprehensive efficiency.
准确判断井下钻具振动并采取相应的技术措施对于有效保护FEWD测量仪器、提高钻井综合效益具有重要意义。
In the paper, a new working layer structure of diamond core drill for solving the problem is introduced which can increase the efficiency and the working life of the drilling tool.
文章介绍了金刚石钻孔工具一种新的工作层结构，该结构可以有效解决钻孔工具排粉散热难问题，提高钻孔工具的工作效率，延长钻孔工具的使用寿命。
An analysis related to various kinds of soil cutting by earth auger, this paper puts forward that running speed of frill should be faster than critical speed so as to increase the efficiency of drill.
通过分析长螺旋钻机在切削各类土质时，钻具的角速度与土块运动机理关系，提出确定钻具临界的方法，而工程施工中钻杆的实际转速应大于临界转速，以提高钻机的工作效率。
Diamond wire-line coring drill is a kind of widely used drilling technology with the advantages of high quality, efficiency and economic.
金刚石绳索取心是一种高效优质、快速经济、应用广泛的钻探技术。
Try this drill, which Hoff USES to increase her efficiency in breaststroke.
试试这个练习，霍夫认为这个练习极大的提高了她蛙泳的划水效率。
By analyzing part process, a reasonable drill hole die is designed, the product quality and the production efficiency are improved.
通过对零件的工艺性分析，设计出合理的钻模来保证产品质量，提高生产效率。
The regulations determine the efficiency and the service life of diamond drill, and also the safety, the credibility and the economical efficiency.
金刚石钻进的钻进规程决定了钻进效率和钻头的使用寿命，也决定了钻进的安全性、可靠性和经济效益。
A kind of pneumatic tray automatic drill was designed in order to improve work efficiency and work environment.
为了提高加工效率、改善工作环境，设计开发出一型气动盘式自动钻孔机。
To improve the precision and the efficiency in straightening drill pipes, we make a research in the control system of the automatic hydraulic straightening machine.
为了提高钻具校直的精度与效率，我们进行了全自动液压校直机控制系统的研究。
Combining can equip to drill Xian two to use power knife tower and C stalk, can save an assistance operation time, exaltation process a production efficiency.
并可装置钻铣两用动力刀塔及C轴，可节省辅助操作时间，提高加工生产效率。
The advantages of gas drilling are: high drilling efficiency, effectively controlling formation damage, preventing from lost circulation and adhesive drill pipe sticking.
气体钻井的优点有：钻井效率高、有效保护油气层、防止井漏和黏附卡钻。
To achieve high efficiency energy - saving, the hydraulic design of technological innovation is applied to the light down the hole drill.
将液压设计技术创新性地应用于轻型潜孔钻机中，实现高效节能。
The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.
液压凿岩机工作时，冲击机构的能量损失对其效率有很大的影响。
The utility model is featured with convenient bookbinding operation and high working efficiency, and can avoid operation faults of the machine and early wearing of the drill.
采用本实用新型的装订机专用导电橡胶垫座，不仅方便了用户装订操作及提高装订工 作效率，而且可避免机器产生运行故障和钻头出现早期磨损。
The series of drill show the advantages of advisable and advanced structure design in practical application; extrude the special feature of portability and high efficiency.
该系列钻机在实际应用中，体现了结构设计合理先进，较好地突出了“轻便、快捷、高效”的特点与优势。
The aim of the utility model is to provide a plunger chip which has simple structure and can utilize a normal drill press to manufacture with high manufacture efficiency.
本实用新型的目的是提供一种结构简单和利用常规钻床即可加工且加工效率高的冲头。
This kind of electric drill is easy to carry and operate possessing advantages of high work efficiency, little harm for trees, especially in a high or a dense location.
采用带有蓄电池的电钻进行钻孔，其携带和操作方便，工作效率高，对林木的损害较小。给林木高处或高山密林处进行钻孔作业带来了很多方便。
The drilling head rotational speed can adjust, the drill hole efficiency is very high, the hole position is accurate, and it is suitable for the construction glass and the furniture glass processing.
钻头转速可调，钻孔效率高，孔位准确，适用于建筑玻璃与家具玻璃的加工。
The purpose for the later is to improve the existing rotor screw drill for high efficiency. Subject heading: horizontal drilling screw drill tool control bending sub st...
研制后者的目的，在于改善现有中空转子螺杆钻具的软特性和低效率。
The purpose for the later is to improve the existing rotor screw drill for high efficiency. Subject heading: horizontal drilling screw drill tool control bending sub st...
研制后者的目的，在于改善现有中空转子螺杆钻具的软特性和低效率。
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