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为什么有的动车组“一闪一闪”？

2026-07-25 网络整理佚名1100

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Key Point:经常坐动车出行的旅客可能会注意到一些动车组车顶上的两个“灯”会快速闪烁，看起来“一闪一闪”的。，时长00:19这两个“灯”学名叫动车组受电弓监控装置。

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