| 1. | The four strokes in the four-stroke-cycle engine, in their proper order, are intake, compression, power, and exhaust .
四冲程循环发动机中，四个冲程的固定顺序是：进气、压缩、作功和排气。 |
| 2. | What is the recommended fuel for ys engines
哪种燃油最适合ys四冲程引擎？ |
| 3. | Here are some facts about two and four stroke engines
以下是一些事实约二至四冲程发动机 |
| 4. | They produce twice the power than four stroke engines
他们制造的功率比四冲程发动机的两倍 |
| 5. | The piston is an important part of a four - stroke cycle engine
活塞是四冲程发动机的重要部件。 |
| 6. | Shipbuilding - water cooled four cycle generator diesel engines
造船.水冷式四冲程柴油发电机组 |
| 7. | A few fast responses and facts about two and four stroke engines
数约两个快速反应和事实四冲程发动机 |
| 8. | Engine type : air - cooled 4 stroke ohv single cylinder
发动机类型:单杠风冷四冲程顶置气门钻孔敲68mm45mm |
| 9. | Advantages of four stroke engines
四冲程引擎的优势 |
| 10. | Shipbuilding - water cooled four cycle diesel engines for propelling use
造船.推进用水冷却四冲程柴油发动机 |
