“轨道几何尺寸允许偏差”的概念、定义、翻译、参考文献-科学参考

单词	轨道几何尺寸允许偏差
释义	轨道几何尺寸允许偏差 Encyclopedia 工学轨道几何形位释 allowable deviation of track geometry轨道几何尺寸允许偏差描述轨道几何形位的参数包括轨距、轨道水平、轨道方向、轨道高低和轨道扭曲，都有理论的设计尺寸和位置。但在实际工程中，都不可能达到规定的理论设计标准。为了确保行车安全和乘车舒适，必须对工程质量进行控制，故在新线施工和既有线轨道维修中，制定了一系列轨道几何尺寸允许偏差标准。
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