...、扫气泵扫气 3、 活塞顶部为凸顶，以引导气流扫气 4、 活塞裙部较长，有缺口等 两冲程内燃机工作过程 (two-stroke cycle engine) 进气 排气 二冲程发动机的工作循环是在两个行程内完成的。
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... two - stroke cycle engine 二行程内燃机 two-stroke cycle engine 二冲程引擎 ; 两冲程内燃机工作过程 water-cooled two-stroke cycle 水冷二冲程 ...
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Two-stroke-cycle engine 扭转 ; 字臂前悬吊
two stroke cycle engine 二冲程发动机 ; 二冲程引擎
two - stroke cycle engine 二行程内燃机
Air-cooling two-stroke-cycle gasoline engine oil 风冷二冲程汽油机油
Water-cooled two-stroke-cycle gasoline engine oils 水冷二冲程汽油机油
two stroke cycle petrol engine 二行程汽油机
If it needs only two strokes to complete a cycle, it is called a two-stroke cycle engine or, for short, a two-cycle engine.
如果发动机完成一个工作循环，只需要两个行程，就称为两冲程循环发动机，或者简称两冲程发动机。
A two-stroke engine has no moving valves, and the spark plug fires each time the piston hits the top of its cycle.
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。
The size, weight, and cost of the engine per horsepower are therefore less, and two-stroke-cycle engines are used in motorcycles and smaller machines (e. g. , lawnmowers and power rakes).
因此，每马力所要求的机器尺寸、重量和价格成本也就降低了，所以二冲程循环发动机多用于摩托车和小型机器（如割草机和动力耙）。
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