Safety protection and errors indication system for easy operation and maintenance.
安全保护及故障显示，维修简单。
It is not only a signal equipment maintenance information system, but also a safety...
此系统不仅是信号设备的维修管理系统，同时也是行车安全保障系统。
It is not only a signal equipment maintenance information system, but also a safety...
此系统不仅是信号设备的维修管理系统，同时也是行车安全保障系统。
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