Finally, we need some means of igniting the mixture in the top of the cylinder.

最后我们需用一些装置点燃汽缸顶部的混合气体。

youdao

Finally, we need some means of igniting the mixture in the top of the cylinder.

最后我们需用一些装置点燃汽缸顶部的混合气体。

youdao