在各个声控开关与电源之间的电路上设有电铃。
An electric bell is arranged in the circuit between each voice operated switch and the power supply.
该系统由煤气传感器，人体红外传感器，声控传感器，门磁开关等部分组成。
This system consists of gas sensors, infrared sensor, televox body sensor, door magnetic switch components.
我所做的智能家居安防系统由煤气传感器，人体红外传感器，声控传感器，门磁开关等部分组成。
I do intelligent household security system by gas sensor, infrared sensor, televox body sensor, door magnetic switch components.
我所做的智能家居安防系统由煤气传感器，人体红外传感器，声控传感器，门磁开关等部分组成。
I do intelligent household security system by gas sensor, infrared sensor, televox body sensor, door magnetic switch components.
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