換氣扇英文縮寫

換氣扇的英文縮寫為ventilator或exhaust fan。

雙語例句：

1、提供了一種自動換氣扇控制電路，具有自動向外抽煙，並向室內送入新鮮空氣等功能。

This paper suggests a control circuit of automatic ventilator， which has automatic smoke extracting and fresh air taking in function.

2、全塑開敞式雙向換氣扇

Full-plastics open type bidirectional exhaust fa