比四冲程发动机制造成本更低。
比四冲程发动机重量更轻。
四冲程发动机的水平。
碳氢排放和油耗有所降低，但仍高出四冲程发动机很多。
Hydrocarbon emission and fuel consumption are decreased to some extent, but the values are still high comparing to four-stroke engine.
这样说来，两冲程发动机的点火次数是四冲程发动机的两倍。
Thus, a two-cycle engine fires twice as often as a four-cycle engine.
在四冲程发动机，四冲程汽缸中的活塞需要完成一个工作循环。
In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle.
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。
With two-stroke and four-stroke engines, the bike is an epitome of power on road.
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。
What is the difference between a two-stroke and a four-stroke engine? Most chain saws and boat motors use two-stroke engines.
四冲程发动机的工作循环是以活塞在上止点、进气门打开为开始的。
The cycle of operation of the four-stoke engine begins with the piston at TDC and the intake valve open.
基于四冲程发动机的工作原理，用键合图对一四缸汽油机进行了建模。
Based on the working principle of the four-stroke engine, we model the four-cylinder gasoline engine using bond graph technique.
AMSOIL合成20瓦- 50摩托车油推荐用于空气或液体冷却四冲程发动机。
AMSOIL Synthetic 20w-50 Motorcycle Oil is recommended for air or liquid cooled 4-stroke engines.
就算萨博在1967年最终决定使用四冲程发动机，它还是把发动机搞成个V4，萨博总能把事情搞的古怪好玩。
Even when Saab finally decided to go with a four-stroke engine in 1967, it kept things weird by using a V-4.
其配方是针对大制造商的大多数现代和老式四冲程发动机。适用于所有类型轿车、厢式车和轻型柴油车。
This formulation is intended for use in the most modern and older four-strike engines from leading manufacturers and is suitable for all models of car, van and light diesel vehicles.
在四冲程发动机也叫奥托循环发动机，在荣誉的德国工程师，博士尼古拉·奥托，谁第一个适用的原则，在1876。
The 4-stroke engine is also called Otto cycle engine, in honor of the German engineer, Dr. Nikolaus Otto, who first applied the principle in 1876.
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 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.
虽然修改奥托循环发动机使用“阿特金森循环”提供良好的燃油经济性，这是比较传统的四冲程发动机在一个较低的功耗，每位移费用。
While a modified Otto cycle engine using the "Atkinson cycle" provides good fuel economy, it is at the expense of a lower power-per-displacement as compared to a traditional four-stroke engine.
汽车发动机除了四冲程循环是否还有其他循环？
Are there any other cycles besides the Otto cycle used in car 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。
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.
四冲程汽油在摩托车发动机。
奥托制造了第一台实用的四冲程内燃机，叫做“奥托循环发动机”，并且当完成制造他的发动机后他就把发动机安装在摩托车上。
Otto built the practical four-stroke internal combustion engine called the "Otto Cycle Engine, " and as soon as he had completed his engine, he built it into a motorcycle.
飞机由一台360马力风冷、四冲程汽油活塞发动机提供动力。
The aircraft is powered by a 360hp air-cooled, four-stroke, petrol (gasoline) piston engine.
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 introduces the idling matching test about MCEFI motorcycle electronic fuel injection system for four-stroke engines.
大多数汽车发动机是以四冲程原理工作的。
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。
This paper introduces the design of valves of four-stroke motorcycle engines and relating problems on material selection and their influences on engine performances.
少比四冲程和二冲程发动机的振动。
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。
The four strokes in the four-stroke-cycle engine, in their proper order, are intake, compression, power, and exhaust.
发动机为四冲程空冷汽油机，靠反弹式起动器启动。
The engine is four- stroke, air-cooled gasoline engine which is started by rebound starter and it can transmit smoothly without energy loss.
发动机为四冲程空冷汽油机，靠反弹式起动器启动。
The engine is four- stroke, air-cooled gasoline engine which is started by rebound starter and it can transmit smoothly without energy loss.
应用推荐