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零点之后的战场:信号工“诊治”高铁设备
2025年春运,沈阳北站高铁加开38对列车,设备使用更加频繁,给信号工带来不小的考验。沈阳电务段的信号工每天冒着严寒维护设备,保障了春运的安全。而春运过后,这些高铁信号工的夜间战斗并没有停止。
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