On the railway of electrization, power supply mode is requested to be the single-phase alternating current.

在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。

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On the railway of electrization, power supply mode is requested to be the single-phase alternating current.

在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。

youdao