| 1. | Impeller diameter maximum approach for deep well pumps
深井离心泵叶轮极大直径设计法 |
| 2. | Oh , hells no , miss thing . you best pump your brakes
哦，该死的，不是你最好给我闭嘴 |
| 3. | Integral valve design and application for oil well pumps
抽油泵一体式凡尔罩设计与应用 |
| 4. | Experimental study on the interior flow field of the deep - well pump
深井泵泵内流场的实验研究 |
| 5. | Computerized simulation of the movement regulation of the valve of oil well pump
抽油泵泵阀运动规律的计算机仿真 |
| 6. | Electric shallow well pumps
浅井电泵 |
| 7. | Artesian well pump
自流井用抽水机 |
| 8. | Electric deep well pumps
深井电泵 |
| 9. | Deep bore well pump
深钻井泵 |
| 10. | Power - saving benefit of the well pumping unit drived by a rare - earth permanent - magnet synchronous motor
稀土永磁同步电动机驱动抽油机的节能效益 |
