air ventilator

基本解釋

The fresh air ventilator is an important equipment of air's quality regulating.
新風(fēng)換氣機是調(diào)節(jié)空氣品質(zhì)的重要設(shè)備，換熱器是新風(fēng)換氣機的關(guān)鍵部件。
The result of analysis show that adopting the fresh air ventilator can reach to enhance energy efficiency.
基于這個分析，認為引入新風(fēng)換氣機可以達到節(jié)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.
本實用新型涉及一種旋耕播種機氣吸風(fēng)機驅(qū)動力裝置，涉及旋耕機、播種機技術(shù)領(lǐng)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