缺点：由于采用带动空气流动产生风来降温，降温效果不是很明显，特别是气温较高时，且季节性强，只能在夏季使用。
Faults: due to the drive air flows to the wind cooling, cooling effect is not obvious, especially the air temperature is higher, and in the summer, can only be strong seasonal use.
利用流体运动方程和平面强旋转流的流动特性分析了涡流分级机内空气流动特性和气固两相流运动特性。
The characteristics of air flow and the air-solid two phase movement in a turbo classifier are analyzed by the dynamic equation of fluid motion combined with the features of intense circulating flow.
火车站广场由于其空间开阔，空气流动性强，故最舒适的频率也有16%。
The railway station square still had 16% frequency of most comfortable degree, because of its open space and better air fluidity.
航空喷气发动机燃烧室中广泛采用叶片涡流器来控制火焰筒的一次空气流量，并建立强回流区。
The blade-type swirlers have been used in many air engine combustors to control the primary airflow of flame tube and establish a strong recirculation zone.
本发明的真空吸尘器包括吸入空气后强 制空气流动的风扇-电机组件；
Wherein, it comprises fan and motor for absorbing air and forcing air to flow;
本发明的真空吸尘器包括吸入空气后强 制空气流动的风扇-电机组件；
Wherein, it comprises fan and motor for absorbing air and forcing air to flow;
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