火灾自动报警器 meaning in English
automatic fire alarm
Examples
- In recent years , fire occurred in a higher frequency . installing automatic fire detectors in buildings is an important means to prevent fires
火灾是近年来发生频率较高的一种灾害,在建筑物中安装火灾自动报警器就是预防火灾的一个重要手段。
automatic fire alarm