... Fire alarm electric bell 火警电铃 electric alarm 电警报 ; 电气报警器 ; 电报警器 ; 电警报器 electric alarm clock 电闹钟 ...
基于36个网页-相关网页
智能型断电报警器 DDZ
无线电报警器 radio alarm equipment
光电报警器 photoelectric alarm
无线来电报警器 DDWL
智能延时型断电报警器 DDZY
智能型断电来电报警器 DDLZ
电压报警器 Alarm for voltage ; DY
报警继电器 alarm relay ; alarming relay
电子报警器 electronic alarm ; electrical alarm ; GBL-CO ; GBL-HS
介绍了修井值班房漏电报警器的结构原理和主要功能及主要技术指标。
In this paper, the structural principle, key functions as well as leading technical index are introduced for the electric leakage alarm in well repair workshop.
一个人从出口出去，此设备提供15到30秒的延迟。而且它有内置95分贝的双重压电报警器，它可在某人试图离开时报警。
It provides 15 to 30 seconds of delay before a person can exit the door, and it has a built-in 95-decibel dual piezo alarm that alerts authorities when someone is trying to leave.
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