emergency alarm
短语词组
- emergency fault alarm mechanism 告警机制
- emergency signal alarm 紧急信号警报
- emergency y alarm bell 报警铃
- Emergency -alarm 紧急警铃
- emergency bell alarm contact 事故警钟接触
- emergency voice alarm communication system 应急话音报警通信系统
- Emergency Voice Alarm Communication Systems 应急语音通讯系统
- Emergency alarm device 紧急报警装置;紧迫报警安装
- general emergency alarm 一般紧急警报;总应急警报 返回 emergency alarm