| 1. | Recommended practice for guarding of pumping units
装设抽油机防护装置的推荐作法 |
| 2. | Pumping unit dynamics analysis and its improvement
抽油机动力学性能分析及改进 |
| 3. | The improvement of fixing for donkey head of pumping unit
抽油机驴头紧固形式的改进 |
| 4. | The test method for electrical submersible pump units
潜油电泵机组试验方法 |
| 5. | Technical and economic analysis of hot - water heat pump unit
热泵热水机组技术经济分析 |
| 6. | Diesel gasoline water pump units : 2 - 4 inch
柴油汽油动力水泵机组: 1寸- 4寸 |
| 7. | A new kind of long stroke wheel style pumping unit
一种长冲程转轮式抽油机 |
| 8. | The design of chain type long stroke pumping unit
链式长冲程抽油机设计 |
| 9. | Fireed fire pump unit of foam extinguish
泡沫灭火系统的固定式消防泵组 |
| 10. | Pumps and pump units for liquids - material and product tests
液体泵和泵装置.材料及产品试验 |
