Fire sound and light alarm 火灾声 ; 光警报器
sound and light alarm signals 声光报警信号
sound and light of alarm 声光报警功能
Are sound and light alarm signal form.
报警信号均为声光形式。
Fault and operational status display of Chinese characters, language, sound and light alarm.
故障及运行状态汉字显示，语言声光报警。
The person who receives sound and light alarm sent by the sending-to-alarming device can make an immediate emergency response.
发送到报警装置，发出声光报警，令接到报警的人员立即作出应急反应。
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