Four stroke horizontal engine.
四冲程发动机的水平。
Four stroke, four cylinder, water cooled.
四冲程，四缸，水冷。
Most automobile engines operate on four stroke cycle.
大多数发动机运转为四行程循环。
Vertical, water cooled, four stroke, direct injection.
直列，水冷，四冲程，直喷燃烧室。
Most automobile engines operate on a four stroke cycle.
大多数发动机为四行程发动机。
Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valve per cylinder.
水冷，四冲程，横向四缸，双凸轮轴，4缸，每阀。
In the meantime, the matching about catalytic converter with two stroke and four stroke motorcycle is discussed.
同时讨论了催化转化器与二冲程、四冲程摩托车匹配的问题。
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。
Suitable for the use of harsh environment of various kinds of imported and domestic high-grade four stroke motorcycle.
适用于苛刻的使用环境下的各种进口及国产高档四冲程摩托车。
At the same time, simplex four stroke gasoline engine has carried on the corresponding series experiment in Honda HODNA on the G200.
同时，在本田hodnaG200单缸四冲程汽油机上进行了相应的系列试验。
"Great Wall" brand four stroke motorcycle oil obtained JASO quality certificate, and specially formulated to meet the performance requirements of four stroke motorcycle engine.
长城“牌四冲程摩托车发动机油已获得J ASO质量认证，能够满足四冲程摩托车发动机的特殊性能要求。”
Methods Four stroke patients with hemiplegia were involved in this study During the examination by F MRI, these patients were asked to move thumbs in passive, active and overcoming resistance fashion.
方法让患者分别进行健侧和患侧拇指被动运动、主动运动和加阻力下的主动运动。在患者运动时行功能磁共振（F MRI）检查，观察上述不同运动形式下大脑半球相关区域血氧水平的变化。
When you're writing in script, there are four letters of the alphabet that you can't complete in one stroke.
当你用连写体书写时，字母表里有4个字母你不能一笔写完。
Freestyle, butterfly, back stroke and breast stroke are four commonly seen strokes in swimming competition.
自由泳、蝶泳、仰泳和蛙泳是游泳比赛中常见的四种泳姿。
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。
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。
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。
This year it will be four centuries since Galileo discovered Jupiter's four large satellites, at a stroke quintupling the number of moons then known to humanity.
今年距离伽利略发现木星的四颗大卫星整整400年，突然间人类发现了数倍于其数量的卫星。
Lighter weight than four-stroke engines.
比四冲程发动机重量更轻。
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。
Less costly to manufacture than four-stroke engines.
比四冲程发动机制造成本更低。
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。
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。
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。
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。
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。
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。
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