air ventilator

基本解释

The fresh air ventilator is an important equipment of air's quality regulating.
新风换气机是调节空气品质的重要设备，换热器是新风换气机的关键部件。
The result of analysis show that adopting the fresh air ventilator can reach to enhance energy efficiency.
基于这个分析，认为引入新风换气机可以达到节能的目的。
The utility model relates to a driving force device for an air suction ventilator of a rotary cultivator seeder, which relates to the technical field of a rotary cultivator and a seeder.
本实用新型涉及一种旋耕播种机气吸风机驱动力装置，涉及旋耕机、播种机技术领域。
ip.com

Mr Rogers's home features a heat-recovery ventilator—a device in his basement that filters incoming air and exchanges heat between incoming and outgoing air.
ECONOMIST: Green homes