以语音方式发出列车接近报警信息，通知桥梁或隧道中的工作人员注意和避让，保护人员和设备的安全。
Via speech sound, it was alarmed train approaching, noticed the men working in brige or tunnel to be careful and keep away fron track, protected the safety of men and device.
广泛应用于UPS电源、电子仪器、应用照明系统、安全报警系统、电动工具及玩具、电会传系统、通讯设备领域。
They're widely used in UPS systems, electronic instruments, emergency lighting, fire alarm and security, electromotive tools and toys, telecommunication system, etc.
铁路道口自动报警系统是保障铁路安全运行的重要设备之一。
Railway road junction automation give an alarm system is one of the important safety course facility.
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