| 1. | Turbine genared propulsion unit
涡轮机减速推进装置 |
| 2. | Turbine boiler propulsion unit
锅炉汽轮机推进装置 |
| 3. | Recent developmental trends of electrical propulsion units of present - day ship
当今舰船电力推进装置发展新动向 |
| 4. | Underwater propulsion unit
水下推进装置 |
| 5. | Main propulsion unit
主推进装置 |
| 6. | Study on hydrodynamic performance of reversing bucket of high speed water jet propulsion unit
高速喷水推进船倒车斗水动力性能研究 |
| 7. | Propulsion units and components . methods of numbering and describing direction of rotation
推进装置及元件.旋转方向的编号和阐述方法 |
| 8. | Methods of numbering propulsion units and components and describing their direction of rotation
推进装置和元件的编号及其旋转方向描述方法 |
| 9. | Aircraft ; propulsion units and components ; methods of numbering and describing directions of rotation
航空和航天.推进装置和元件.编号和旋转方向描述方法 |
| 10. | The appearance in recent years of rapier solid fuel propulsion units has also lead to an entertaining detour into the wonderful world of small free - flight scale jets
近年来固态火箭发动机（翻译者注：不知道怎么翻译，从后面看就是火箭发动机原理）也开始在小尺寸像真模型的领域应用。 |
