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Design and develop the device of motorcycle engine compression ratio measuring system.
摩托车发动机压缩比测量装置的设计开发。
youdao
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On a 2-stroke engine, the upward stroke is the compression stroke.
在2冲程发动机，向上中风是压缩行程。
youdao
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On a 2-stroke engine, the upward stroke is the compression stroke.
在2冲程发动机，向上中风是压缩行程。
youdao