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- pump rod joint 抽油杆接箍
- It can be used in antomatic eddy testing of the tubings with joints,and also in the automatic testing of pump rod. 该设备主要用于带接箍油管的全自动化涡流探伤,也可用于抽油杆的自动检测。
- The corrosion resistant plate penstock is in the frame of obvious-stem, which mainly consists of lifting device, frame, gate plate, seal, wedge block compressing set, rod and rod joint, rod guide tube, install accessory and etc. 不锈钢闸门为明杆式结构，主要由启闭装置、闸框、闸板、密封件、楔块压紧装置、门杆和杆接头、杆导架、安装附件等组成。
- Most products we produce are key components for automobiles,such as:shperical hinge,nutted rod joint,ballandspigot,knuckle,connecting,rod,sliding york,flang fork,and some other products. 我们所生产的主要产品是汽车上的关键件，主要产品有：球铰链接头，拉杆接头，球销，转向节，连杆，滑动叉等以及其它产品。
- Wire line flexible pumping rod is a coiled rod with sealing wire line. 钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
- Rotation Technique for Downhole Pump Rod 井下抽油杆旋转技术
- Abstract In adopting API method, the kinetic model of a multistage pumping rod system was simplified into mul tiple lumped masses connected in series by springs. 采用API方法时，把多级抽油杆系统动力学模型简化成由多个弹簧串联多个集中质量。
- By analysis and comparasion, it is proved that the newly simplified kinetic model of the multistage pumping rod system is more accurate and more reasonable than the kinet... 经分析和比较证实，现简化的多级抽油杆系统动力学模型比用前方法简化的长冲程抽油机的系统动力学模型更为精确合理。
- During oil production, pumping rod is eccentric in the long oil tube, in which flow of the swabbed fluid can be regarded as an unsteady flow of second-order fl. 在采油过程中，由于油井较深的缘故，抽油杆在油管中是处于偏心位置的，可以把聚驱井抽汲液在井筒中的流动视为二阶流体在内管做轴向往复运动的偏心环空中的非定常流动。
- This effect not only knocks down strength of pumping rod but also rubs through oil tube wall, leading to the oil well unable to work and economic loss of the oil field. 偏磨使抽油杆磨损,降低了抽油杆的强度,造成抽油杆断裂,磨穿油管壁,影响油井正常工作,给油田带来较大的经济损失。
- Analysis on Surface Cracking of Petroleum Drilling Rod Joint 石油钻杆接头表面开裂原因分析
- Developing the magnetic particle flaw detector for pump rod 抽油杆磁粉探伤机的研制
- VIBRATION DETECTION OF OIL PUMP ROD WITH MATRIX CCD SUSPENDED 抽油机悬点投影测量仪
- I bought a new fishing rod last Sunday. 上星期日我新买了一个鱼竿。
- Predict Remaining Lifetime of Pump Rod by Ultrasonic Signal 用超声波检测信号预报抽油杆剩余寿命
- Keywords drill rod joint;surface hardening;wearing resistance;boriding; 钻杆接头;表面硬化;耐磨性;渗硼;
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The movable target on a leveling rod. 视准器水准尺上可移动的目标
- The rod bent as he pulled in the fish. 当他把鱼拉上来时，鱼竿都弯了。
