Lighter weight than four-stroke engines.
比四冲程发动机重量更轻。
Four-stroke gasoline engines in motorcycles.
四冲程汽油在摩托车发动机。
The four-stroke cycle which is in common use.
这就是常用的四冲程循环。
Less costly to manufacture than four-stroke engines.
比四冲程发动机制造成本更低。
Less vibration than four-stroke and two-stroke engines.
少比四冲程和二冲程发动机的振动。
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。
Each CAM must revolve once during the four-stroke cycle to open a valve.
在四行程循环时，每凸轮必须旋转打开一阀门。
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。
The aircraft is powered by a 360hp air-cooled, four-stroke, petrol (gasoline) piston engine.
飞机由一台360马力风冷、四冲程汽油活塞发动机提供动力。
In line with the national standard GB2820, the use of industrial diesel, four-stroke, turbocharged.
符合国家GB2820标准，使用工业柴油，四冲程，涡轮增压。
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。
Even when Saab finally decided to go with a four-stroke engine in 1967, it kept things weird by using a V-4.
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。
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。
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。
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。
Based on the working principle of the four-stroke engine, we model the four-cylinder gasoline engine using bond graph technique.
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。
Hydrocarbon emission and fuel consumption are decreased to some extent, but the values are still high comparing to four-stroke engine.
碳氢排放和油耗有所降低，但仍高出四冲程发动机很多。
This paper deals with such a question but confining to the case of four-stroke engine turbocharged under the constant pressure principle.
本文旨在对定压式纯废气透平增压四冲程柴油机的变工况计算提出一种新的列线图解法。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
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。
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。
The operating principle of internal-combustion engine mode is similar to the four-stroke internal combustion engine, so it will inevitably produce harmful emissions.
内燃机模式的工作原理与普通四冲程内燃机相同，因此不可避免的也会产生有害排放物。
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.
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。
In this paper, the mathematical model of in-cylinder working process is deduced according to in-cylinder working characteristic of four-stroke direct injection diesel engine.
本文根据直喷式四冲程柴油机缸内工作过程特点推导出描述柴油机缸内工作过程的数学模型。
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。
In response to increasingly stringent emissions legislation, the number of four-stroke motorcycle is more and more, so it is necessary to develop the special four-stroke motorcycle engine oil.
随着我国环保法规的日益严格，四冲程摩托车数量越来越多，开发专门的四冲程摩托车油非常必要。
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.
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.
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。
应用推荐