suction ventilating fan

例句：

1. 1.This suction ventilating fan is very efficient in removing dust from the air.
   这款抽吸式通风扇在清除空气中的灰尘方面非常高效。
2. 2. The suction ventilating fan helps to improve indoor air quality.
   抽吸式通风扇有助于改善室内空气质量。
3. 3. The suction ventilating fan is a popular choice for homes with pets.
   抽吸式通风扇是宠物家庭中受欢迎的选择。