换气扇 meaning in Chinese

air exchange fan
scavenger fan
ventilator

General specification for household ventilating fan motors
家用换气扇用电动机.通用技术条件
Regeneration production of ventilation fan
换气扇的换代产品。
When you switch on the light in the bathroom , the extractor fan switch on
当你打开浴室里的灯时，换气扇就启动了。
A . c axial ventilating fans
轴流式交流换气扇
A . c . electric ventilating fans and regulators for household and similar purposes
家用和类似用途的交流换气扇及其调速器

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