空气推动 meaning in English

air-driven

Acoustics - measurement of noise and vibration of small air - moving devices - part 2 : structure - borne vibration
声学.小型空气推动设备的噪声和振动的测定.第2部分:结构振动
If the pressure changes over a large area , winds start to blow in a huge circle . high - pressure air is pulled into a low - pressure center
如果压力在大范围内变化，风就开始在一个大圈内流动。高压的空气推动低压空气向内。
Fans for general purposes - methods of noise testing - airborne noise emitted by small air - moving devices - section 6 : airborne noise emitted by small air - moving devices
普通用途风扇.噪声试验方法.小型空气推动装置发出的空气噪声