| 1. | It is also generally conceded that wankel engines are quieter than comparable piston engines .
转子发动机比通常的活塞式发动机噪音小也是大家所公认的。 |
| 2. | Armoured spark plugs for piston engines
活塞发动机用铠装火花塞 |
| 3. | Calculation of the critical speed of a piston engine
同轴抗性消声器声学和阻力特性的数值计算与分析 |
| 4. | Reciprocating - piston engine
往复活塞式引擎 |
| 5. | Starters for piston engines in aircraft . fixing and drive on engine side
飞机活塞发动机的起动机.发动机部位的安装和驱动 |
| 6. | Opposed piston engine
对置活塞发动机 |
| 7. | Trunk - piston engine
筒状活塞发动机 |
| 8. | Trunk piston engine
筒状活塞发动机 |
| 9. | Gudgeon pins for reciprocating piston engines ; dimensions , types finish , requirements , tests
活塞式发动机用轴头销.尺寸加工型式要求检验 |
| 10. | Internal combustion engines ; components of reciprocating piston engines , refrigeration , definitions
内燃机.往复式活塞发动机元部件.致冷定义 |
