系统试运行表明，该系统能自动检测隧道内的故障停车并发出报警信号。
Experiments and trial operation show that the system can automatically detect the trouble parking in tunnel and give an alarm.
系统试运行表明，该系统能自动检测隧道内的故障停车并发出报警信号。
Experiments and trial operation show that the system can automatically detect the trouble parking in tunnel and give an alarm.
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