The damper plate rotates around an axis rod to control the flow of air through the vent pipe.

这个风挡通过中心轴控制旋转来让通过排气管的空气流动起来的。

youdao

The damper plate rotates around an axis rod to control the flow of air through the vent pipe.

这个风挡通过中心轴控制旋转来让通过排气管的空气流动起来的。

youdao