An induction motor, by contrast, can be cooled passively-and thereby dispense with the hefty radiator, cooling fan, water pump and associated plumbing.
相反地，诱导式发动机可以自冷却，这样就省去了笨重的散热片、冷却风扇、水泵和与此相关的铅用品制造。
The temperature of cooled water could not be maintained in a desired range by a fan running at constant-speed in a cooling tower under different loads and environmental temperatures.
在不同负荷、不同季节和不同环境温度下，制冷机组的冷却塔风机恒速运行无法使冷却水温度控制在需要范围内。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
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