• Perfect mechanical safety interlocking and error operation automatic alarm.

    完善的机械安全联锁操作自动告警

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  • Station signal interlocking is an infrastructure directly related to safety of train operation.

    车站信号联锁系统直接与行车安全相关基础设备

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  • Station signal interlocking is an infrastructure directly related to safety of train operation.

    车站信号联锁系统直接与行车安全相关基础设备

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