It is a special power supply equipment designed recently for ut track circuit without insulation.

该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。

youdao

It is a special power supply equipment designed recently for ut track circuit without insulation.

该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。

youdao