... 路积层：Terrestrial deposit 路轨活动接合件：rail movement joint 路拱;路丘：road hump ...
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... rail 轨 rail movement joint 路轨勾当接合件 railing 雕栏 ...
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As the cross sector seamless line application, maximum limit reduced the railroad track rail joint, thus the security; the steady movement conditions are provided for the high-speed train.
跨区间无缝线路的应用，最大限度地减少了铁路轨道的钢轨接头，从而为高速列车提供安全、平稳的运行条件。
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