What is the difference between a two-stroke and a four-stroke engine? Most chain saws and boat motors use two-stroke engines.
二冲程和四冲程发动机的区别：大多数链锯和摩托艇使用的是二冲程发动机。
Gas turbine engines use the Brayton cycle. Wankel rotary engines use the Otto cycle, but they do it in a very different way than four-stroke piston engines.
转子活塞发动机用的是四冲程循环，但是它们和四冲程活塞发动机有很大不同。
With two-stroke and four-stroke engines, the bike is an epitome of power on road.
由于二冲程和四冲程发动机，自行车是一种权力的道路的一个缩影。
Less costly to manufacture than four-stroke engines.
比四冲程发动机制造成本更低。
Four-stroke engines of this type with this same type of intake valve motion but with a supercharger to make up for the loss of power density are known as Miller cycle engines.
四冲程发动机本与此同进气阀运动类型的类型，但以使增压器的功率损耗密度，这些都是为米勒循环发动机众所周知的。
Four-stroke gasoline engines in motorcycles.
四冲程汽油在摩托车发动机。
This paper introduces the design of valves of four-stroke motorcycle engines and relating problems on material selection and their influences on engine performances.
本文介绍了四冲程摩托车发动机气门设计和选用材料的有关问题，及对发动机性能的影响。
Most automotive engines operate on four-stroke principle.
大多数汽车发动机是以四冲程原理工作的。
This paper introduces the idling matching test about MCEFI motorcycle electronic fuel injection system for four-stroke engines.
本文介绍了自行研发的四冲程摩托车汽油机用MCEFI电喷系统在发动机怠速工况的匹配研究。
This paper presents the refit methods for both supercharged and unsupercharged four-stroke diesel engines.
本文分别介绍了自然进气四冲程柴油机和四冲程增压柴油机的改装方案。
Less vibration than four-stroke and two-stroke engines.
少比四冲程和二冲程发动机的振动。
Less vibration than four-stroke and two-stroke engines.
少比四冲程和二冲程发动机的振动。
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