The surface coated special insulation material, good electrical performance, strong moisture resistance.
外表涂特种绝缘材料，电气性能好，防潮能力强。
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。
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。
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