| 1. | Specification for subsurface sucker rod pumps and fittings
抽油泵及其组件规范 |
| 2. | Carbon fibre composite continuous sucker rod
碳纤维复合材料连续抽油杆 |
| 3. | Discuss of contribution factors of sucker rod torsional vibration
抽油杆扭转振动形成因素浅析 |
| 4. | Air balanced sucker rod pumping unit
气动平衡抽油机 |
| 5. | Specification for hollow sucker rod
空心抽油杆 |
| 6. | Supper - strength sucker rod
超高强度抽油杆 |
| 7. | Sucker rod centralizer
抽油杆扶正器 |
| 8. | Sucker rod hook
抽油杆吊钩 |
| 9. | Optimization of microwave nondestructive examination system for fiber glass - reinforced plastic sucker rods
玻璃钢抽油杆微波无损检测系统的优化 |
| 10. | Analytical solution for steam heating system of hollow sucker rod and optimal design of injection parameters
空心抽油杆注蒸汽数学模型的解析解及其参数优化 |
