1) new type electrical heating pump for heavy oil
电热抽油泵
2) The Study on New Type Electrical Heating Pump for Heavy Oil
电热抽油泵的研制
3) Electric heating rod
电热抽油杆
4) oil pumping
泵油;抽油
5) pump valve-ball
抽油泵泵阀
1.
It is the key study how to make sure the pressure distribution of liquid in the pump barrel and to study the pump valve-ball's movement to improve the systematic efficiency.
对有杆抽油泵泵阀运动规律的研究和确定抽油泵泵阀筒内液体压力的分布是提高抽油机井系统效率研究的关键性课题。
6) oil well pump
抽油泵
1.
The development and application of the closed negative pressure oil well pump;
封闭式负压抽油泵的研制与应用
2.
Study of the method for calculating the clearance leakage between the plunger and the barrel of oil well pump;
抽油泵柱塞与泵筒间隙漏失量计算方法的研究
3.
The measurement of dynamic parameter of the oil well pump;
有杆抽油泵动态参数的测量
补充资料：抽抽趔趔
1.犹言别别扭扭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条