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1前言本公司的予线从90年11月使用摆式2000系列内燃动车，最高速度达到120km／h，通过曲线时速度还可提高30km／h．在93年3月修改运行图，引入摆式8000系列电动车组，最高速度达130kmfo，曲线的限制速度提高30km／h．下面谈谈速度提高后的轨道维修．2运行状况及轨道结构予线（
1 Preface The Company’s pre-route use of the tilting 2000 series internal combustion diesel powered vehicles from November 1990 has a top speed of 120km / h and a speed increase of 30km / h through the curve. In March 93, the operation diagram was modified to introduce the pendulum 8000 series EMU with the maximum speed of 130kmfo. The limiting speed of the curve was increased by 30km / h. Here to talk about speed after the track maintenance. 2 Health and rail structure to the line (