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车轮磨削用于城市有轨电车上以降低噪音已有多年了。直到不久以前，人们还认为车轮磨削对于干线铁路几乎没有用途，因为在普通车床上进行定期旋削一直被认为是行之有效的方法。然而磨削用于瑞士Ｇｏｔｔｈａｒｄ铁路线的机车车轮上之后，证明是一种节约成本的办法，而且目前正
Wheel grinding has been used on city trams for noise reduction for many years. It was not long ago that wheel grinding was thought to have little utility for trunk railroads, as regular turning on conventional lathes has long been considered as an effective method. However, grinding on locomotive wheels on the Gotthard railway in Switzerland proved to be a cost-effective way and is currently