轮对轮缘和钢轨测表面急剧增大的磨损，象流行病一样在几年前就已从最西边到最东边蔓延到了我国的大多数铁路。例如，在1988年单是钢轨的磨损程度一下子就增加了5倍，而在外贝加尔铁路，甚至一下子增加了14倍！这种现象对于已经焦头烂额的铁路员工来说无疑是雪上加霜。那么造成 The rapidly increasing wear and tear on the rim and on the rail surface, like the pandemic, spread from most of the west to the east most of the country’s railways a few years ago. For example, rail wear alone increased fivefold in 1988, and even suddenly increased 14 times on the Outer Baikal Railway! This phenomenon is undoubtedly worse for railroad workers who are already struggling. Then caused