报警电路 meaning in English

alarm circuit
warning circuit

Cables for non - power - limited fire - alarm circuits
非动力限制火灾报警电路用电缆
Checking the reaction of power alarm circuit
检查电源报警电路是否起作用。
Protectors for data communications and fire - alarm circuits
数据通信和火灾报警电路用保护器
Standard for safety for non - power - limited fire - alarm circuits
非动力限制火灾报警电路安全标准
On improvement of alarming circuit to brake light of current cars
对现用汽车制动灯故障报警电路的改进

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