electric siren meaning in English
电笛
电警报器
Examples
- Accessories for electric sirens ; foot - brigde and exit plank
电动报警器的附件.人行桥和下桥板 - Switch box for electric sirens for a . c . voltages up to 380 v ; rating plate
交流电压最高可达380 v的电汽笛配电箱.第3部分:额 - Switch box for electric sirens for voltages up to 380 v , technical terms of delivery
交流电压最高可达380 v的电汽笛配电箱.第2部分:交 - Switch box for electric sirens for voltages up to 380 v , principal dimensions and circuit diagram
交流电压最高可达380 v的电汽笛配电箱.第1部分:主