虽然这里列出来的例子是机车，但这原则适用所有四行程引擎！

Although the examples shown here are motorcycle engines, these principles apply to all 4 stroke engines.

youdao

虽然这里列出来的例子是机车，但这原则适用所有四行程引擎！

Although the examples shown here are motorcycle engines, these principles apply to all 4 stroke engines.

youdao