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- Application of Fixed Electromagnetism Tubing Detection System in the Drill Rod Detection 固定式电磁管材检测系统在钻杆检测中的应用
- Rational Analysis and Application of Drill Rod Detection Results in Construction Test Tanks 施工验槽钎探结果的合理分析与使用
- Integral Short Drill Rod Type DZ. 型整体式短钻杆。
- The drill rig adopts hydraulic transmission way to realize the rotation,propulsion,getting up and pulling of drill,as well as adjustment and fixing of drill rod obliquity during working. 该机工作过程中钻具的旋转、推进、起拔以及钻杆倾角的调整和固定等动作全部采用液压传动方式实现;
- Is the earliest Chinese manufacturer of the aluminium alloy cooling rods for the drill rod welding in the PTC industry. 公司以扎实的科研力量为依托，雄厚的生产实力为基础。
- The floating Rotary Head avoids abnormally wearing of drill rods' threads. 滑动式动力头，避免钻杆丝扣的非正常磨损；
- The floating trailing plates avoid abnormally wearing of drill rods' threads. 浮动式动力头拖板，避免钻杆丝扣的非正常磨损；
- Ultrasonic detection of corrosions in the internal walls of oil drill rods is described including the principle, method and technology. Experimental results show that it is feasible and effective. 介绍石油钻杆内壁腐蚀缺陷超声检测的原理、方法及工艺,给出了实验结果。结果表明,该方法检测钻杆内壁腐蚀缺陷是行之有效的。
- Rotary drill rod used for coal mining roofbolter 煤矿锚杆钻机用回转钻杆
- Shape and dimension of shank for drill rod 凿岩机导杆形状及尺寸
- The rig is equipped with an upper spherical jaw holding mechanism and hexagonal drive drilling rod which can be replaced without shutdown, high efficiency, safe and reliable. 钻机配有上球卡式夹持机构并带有六方主动钻杆,可实行不停机倒杆,工作效率高,安全可靠。
- The drill rod was designed not rotative,and the piston can turn around along with the chuck fixed on the spindle,so relative rotational movement between them takes place when the lathe runs,and the centre bore drilling was effected. 由于钻杆自身不旋转,而工件被夹持在液压卡盘上随主轴一起旋转,中心孔钻相对工件产生相对旋转运动,从而实现钻削功能。
- Model QW50A Air Operated Slips is a wellhead tools. Mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation. QW50A气动卡瓦是油田修井作业时，安装在井口上用于卡紧油管及类似管柱的一种工具。
- The extension drill rod which can be used for higher capacity drill,the drill hole can be extended to sezeral meetrs, when drilling the straight hole,the core lifter can help coring. 选用加长钻杆于较大能力的钻机，可将钻孔延深至数米，钻垂直孔时，可采用取芯器配合取芯。
- Dongfang Drill Rod Factory in Yanggu County.Shandong province,one of the "hi-new technology enterprise in Shandong procince",id specialized in manufacturing various complete stone drilling tooling. 山东阳谷县东方钎具厂是生产各种配套凿岩钎具的专业生产厂，系“山东省高新技术企业”。
- I bought a new fishing rod last Sunday. 上星期日我新买了一个鱼竿。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- THE DETER MINATION OF CRITICAL CRACK ON WELD AND HAZ OF DRILL ROD 钻杆焊缝及热影响区裂纹容限的确定
- The movable target on a leveling rod. 视准器水准尺上可移动的目标
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
