轨道几何平顺状态是轨道结构部件综合性能的表现，直接反映了轨道质量状态的优劣。
Rail track geometric irregularities are the concrete embodiment of track structure deterioration, and give an expression to the comprehensive performance of track members.
轨道几何平顺状态是轨道结构部件综合性能的表现，直接反映了轨道质量状态的优劣。
Rail track geometric irregularities are the concrete embodiment of track structure deterioration, and give an expression to the comprehensive performance of track members.
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