| 1. | A new kind of long stroke wheel style pumping unit
一种长冲程转轮式抽油机 |
| 2. | Handily the type pneumatic designs , long stroke of power head
轻巧台式气动,超长行程设计 |
| 3. | The design of chain type long stroke pumping unit
链式长冲程抽油机设计 |
| 4. | Long stroke air brake actuator marking
长行程空气制动作动器的标志 |
| 5. | Ultra long stroke crosshead diesel engine
超长行程十字头式柴油机 |
| 6. | The research on lower super - long stroke pumping unit with a cylinder - chain
圆柱链低矮式超长冲程抽油机的研究 |
| 7. | Ultimate long stroke engine
超长行程发动机 |
| 8. | Parameter analysis of long stroke pumping units of accurate counterbalance and dual - belt of b - 14 - type
14型全平衡双带长冲程抽油机参数分析 |
| 9. | Optimum design of a long stroke variable torque pumping unit and simulation of its dynamic behaviors
扇形长冲程抽油机的优化设计与动力仿真 |
| 10. | The machine program consists of progressive headers , bolt making units , short and long stroke part formers
其机械范围包括多工位成形机，螺栓成套机，短、长冲程零件成形机。 |
