... low noise transistor 低噪声晶体管 low noise ventilator 低噪声通风机 low ohmmeter 低电阻计 ...
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提供了一种确定低噪声离心通风机蜗壳结构的方法。
A method to determine low noise fan volute structure is provided.
提出 对旋式局部通风机具有高效率、低噪声、高风压、大风量性能特性的说法是不符合实际的宣传。
The way that counter rotating local fan with the characteristics of high efficency, low noise, high pressure and large flow rate is not practical is put forward.
我公司除生产销售JTB系列罗茨风机外，同时还生产销售DT低噪声柜式离心风机、T35/BT35、T30轴流风机、CF多翼型离心通风机及DWT型轴流式屋顶通风机等。
In addition to JTB series Roots blower, our company also produces and sales low-noise DT tank centrifugal fan, T35/BT35, T30 axial fans, CF more airfoil centrifugal fan and axle roof ventilator.
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