Air filter to smaller screen and through the dust grain and oil droplets, so as to achieve the purpose of purifying.

气流最后通过过滤网滤去较小尘粒和油滴，从而达到净化的目的。

youdao

Air filter to smaller screen and through the dust grain and oil droplets, so as to achieve the purpose of purifying.

气流最后通过过滤网滤去较小尘粒和油滴，从而达到净化的目的。

youdao