two-stroke engines 双冲程发动机
two stroke internal combustion engines 二冲程内燃机
two stroke gasoline engines 二冲程汽油机
two-stroke gasoline engines 二冲程汽油发动机
See How Two-stroke Engines Work for more information.
更多信息见二冲程发动机工作原理。
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。
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。
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