断轨检查
Rail failure inspection
以上为机器翻译结果，长、整句建议使用 人工翻译 。
它能够实现轨道电路全程断轨检查，为保证我国铁路行车安全服务。
The utility model can realize overall track disconnection inspection of the track circuit so as to ensure that the rail track broken detector provides domestic railway with safe services.
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