Fan Speed and Size Since a high speed fan usually generates greater noise than a low speed fan does, a low speed fan should be tried and used whenever possible.
风扇转速与尺寸由于高转速风扇比低转速风扇产生较大的噪音，因此应尽可能尝试及选用低转速风扇。
The speed of its fan is too high even under low loads.
速度，其范是太高，甚至在低负荷。
But Steady low fan speed change, so that airflow and vibration according to a fixed frequency, so we might as natural wind moderate.
但稳定低风扇速度变化，使气流和振动按固定频率，因此我们可能是自然风温和。
Such a relatively low speed rotation of the motor shaft 26 and fan 28 permits the air purifier 10 to operate at a relatively low noise level.
马达轴26和风扇28的这种相对较低速度的旋转使得空气清洁器10在相对较低的噪声等级下运转。
It sets up a given basis of successful manufacturing of low pressure casting dies of impeller of high-speed fan and other casts like it.
为高速风扇叶轮及其它类似铸件的低压铸造模具的成功制造奠定了一定的基础。
The processor fan operates at a low speed while internal chassis temperatures are low.
当机箱内部温度低时，处理器风扇低速运行。
In the oil cooling system of a high performance helicopter, the low mass flow, high rotating speed and small size axial flow fan design is a key task.
小流量、高转速、小尺寸轴流风扇的设计是高性能直升机滑油冷却系统的关键技术之一。
Using full adjustable speed fan provides the energy saving and low noise.
采用全调速风扇，实现节能、低噪。
Host fan with variable frequency control, steady speed, low power, accurate and reliable.
主机风机采用变频控制，调速平稳、省电、准确可靠。
With a low speed system fan, the system has stable performance with minimal noise.
带有低速系统风扇，该系统具有最小噪声的稳定性能。
With a low speed system fan, the system has stable performance with minimal noise.
带有低速系统风扇，该系统具有最小噪声的稳定性能。
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