dead track
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电气化铁路BT或直接供电区段向AT网络越区供电作为目前越区供电的“死区” ，是供电运行部门亟待解决的问题。
The electrified railway over-zone feeding the AT net by BT, which is the dead zone of over-zone feeding, is the problem needing dealing with for power supply departments.
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