更多信息见二冲程发动机工作原理。
第二个冲程使得活塞向上运动。
比四冲程发动机制造成本更低。
这是非常相似的2冲程发动机。
四冲程汽油在摩托车发动机。
等于或优于四冲程燃油效率。
比四冲程发动机重量更轻。
为什么是二冲程发动机被广泛使用在船上？
请去在与它的剪影并且创造被定义的冲程。
Just go over the sketch with it and create more defined strokes.
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?
同时分析了下冲程抽油杆所产生的螺旋弯曲变形。
Deformation of helical buckling appeared on rod during down stroke is also analyzed.
主要用来做两冲程通用汽油机的排放及性能实验。
It can used to do emission and performance test of two-stroke engines.
二冲程发动机没有移动的阀，火花塞每次点火活塞到达循环顶端。
A two-stroke engine has no moving valves, and the spark plug fires each time the piston hits the top of its cycle.
您能选择您也许认为的所有工具那给您一个被提炼的冲程。
You can choose any tool that you might think that gives you a refined stroke.
为了克服这两个问题的超支冲程发动机，一个飞轮装置安装。
In order to overcome the problems of overrun for the two-stroke engine, a freewheel device was fitted.
二冲程发动机使用更多的汽油，燃烧更多的燃料，所以产生更多的污染。
However, a two-stroke engine USES more gasoline and burns lots of oil, so it is far more polluting.
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.
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.
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.
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.
发动机完整的循环要求有活塞的四个冲程：进气、压缩、做功、排气。
The complete cycle of an engine requires four piston strokes: intake, compression power, and exhaust.
你的问题也能引出一些新的观念，比如，变冲程的发动机和电汽混合机等等。
You question actually also brought up some other new concepts, such as variable displacement engine, and Hybrid, etc.
你的问题也能引出一些新的观念，比如，变冲程的发动机和电汽混合机等等。
You question actually also brought up some other new concepts, such as variable displacement engine, and Hybrid, etc.
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