| 1. | Solution to the problems in field use of dual horsehead pumping unit
双驴头抽油机现场使用中存在问题的改进 |
| 2. | As soon as i had finished eating , doodle and i hurried off to horsehead landing
我一吃完饭，就赶紧和嘟嘟去到豪斯海德码头。 |
| 3. | Analysis and research on the projection declination of horsehead ' s pendulous point of beam pumping unit
游梁式抽油机驴头悬点投影偏差的分析研究 |
| 4. | The whole orion nebula cloud complex , which includes the horsehead nebula , will slowly disperse over the next 100 , 000 years
这个猎户座星云-包括马头星云，将在未来的十万年间渐渐地消散。 |
| 5. | This is really my first dso image . now i still remember how exciting i was when saw the shadow of the horsehead nebula
这是我第一张真正意义上的深空，我现在还记得当我看见马头星云影子时的兴奋。 |
| 6. | The deep mosaic also includes ( left of center ) , the horsehead nebula , the flame nebula , and orion ' s belt stars
除此之外，在这幅深场组合影像里，还可以见到影像中右方的马头星云、火焰星云和猎户座的腰带星。 |
| 7. | When we reached horsehead landing , lightning was flashing across half the sky , and thunder was drowning out the sound of the sea
当我们到达豪斯海德码头时，闪电正闪耀着横过半边天空，雷声淹没了海的声音。 |
| 8. | The calculation model can be used to optimize the structure and size of the rear horsehead , solve the problem that the structure and size of the rear horsehead affect the kinematic parameters of the polished rod and the torque factor , as well as the performance of the unusual shape beam pumping unit
利用此方法可以准确而迅速地求出不同机型的悬点位移、速度、加速度及扭矩因数等各项运动参数，也可计算优化后驴头的结构尺寸，解决异形游梁式抽油机后驴头结构与尺寸直接影响悬点的运动参数和扭矩因数，进而影响抽油机工作性能的问题。 |
