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- The compound balancing system is adopted to decrease the force on the pitman and pumping jack and ensure the pumping unit running more smoothly. 采用复合平衡系统 ,可显著降低抽油机连杆和支架的受力 ,提高整机运转平稳性 ,减少振动和噪声 ,在小泵深抽采油工艺中 ,节能效果尤佳。
- In the field use of dual horsehead pumping unit, thereexist such problems as breaking of walking beam, cracking ofreducer's case and shaking of the pumping jack. 鉴于双驴头抽油机在使用中出现的游梁断裂、减速器下箱开裂和支架晃动等问题,分析了其产生上述问题的原因,给出了解决问题的方法。
- The dual variable-diameter wheel pumping unit is comprised of crank arm, pitman, swing link, pumping jack, flexible connecting fittings, sheave pulley and guide wheel. 双变径天轮式抽油机由曲柄、连杆、摆杆、机架、柔性连接件、天轮和导向轮等组成。
- This effect trickled down throughout the drilling industry and affected support equipment such as drill pipes, drill collars, and pump jacks. 这个结果慢慢地浸入到整个钻探行业并且影响到各种辅助设备，如钻管、钻杆和深井泵。
- Summarization on energy saving of electric control device for oil pumping jack 抽油机电控装置节能综述
- Analysis of problems on application of frequency converter in oil pumping jack 变频器在抽油机上应用的若干问题探讨
- Jack was assigned to the assembly shop of the factory. 杰克被分配到厂里的装配间工作。
- Research on Method of Solving Balance in a New Type Pumping Jack by Computer 用计算机求解一种新型抽油机平衡的方法研究
- I am longing to see my friend Jack again. 我渴望再见到我的朋友杰克。
- He has no intention to jack up the plan. 他没有放弃这个计划的意思。
- The fire cracker went off and scared Jack's dog. 爆竹爆炸声把杰克的狗吓了一跳。
- Do you think Jack could bite in his secret want? 你以为杰克能忍住不说出他藏在心里的欲望吗？
- Jack and Mary are cut out for each other. 杰克和玛丽真是天造地设的一对。
- Jack was fired twice but both times taken back. 杰克曾两次被解雇，但两次都被允许回去工作。
- The firecracker went off and scared Jack's dog. 爆竹响了，吓了杰克的狗一跳。
- Blood is pumping out of his belly like a fountain. 血像喷泉似地从他的腹部涌出。
- Jack planted himself in front of the fire. 杰克站在炉火前一动也不动。
- Jack went zooming past in his new car. 杰克驾驶他的新汽车呼啸而过。
- Blood was pumping out of his belly like a fountain. 血像喷泉似地从他的腹部涌出。
- Jack and Jill tumbled down the hill. 杰无和吉尔从山上滚下来了。
