论文以此为出发点，对无砟轨道应用于山区小半径曲线既有线提速的可行性进行研究。
As this a starting point, the paper researched the speeding measure of the existing mountain railway with small radius curve.
论文以此为出发点，对无砟轨道应用于山区小半径曲线既有线提速的可行性进行研究。
As this a starting point, the paper researched the speeding measure of the existing mountain railway with small radius curve.
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