automatic-alarm-signal keying device
自动告警信号键控装置
fire-alarm, electric, incorporating sound or visual signaling devices
电动火警报警器,装有音响或视觉信号装置
A mechanical device that uses illumination as a signal or warning, especially a beacon or traffic signal.
信号灯一种作照明信号或警告的机械装置，尤指灯塔或交通信号灯
an automatic signal (usually a sound) warning of danger.
警告危险的自动信号（通常是一种声音）。
marine automatic fire alarm system
船用火警自动报警装置
Verify Alert Engine Fail-Safe Information
检验警报引擎自动防故障装置的信息
automatic fog signalling apparatus, pneumatically-operated for railways
铁道雾天信号气动自动装置
a device that scans automatically for some signal or condition.
能自动扫描一些信号或环境的装置。
An electrical, electronic, or mechanical device that serves to warn of danger by means of a sound or signal.
警报器，警钟一种电力的、电子的或机械的装置，通过发出声音或信号来表示对危险的警告
automatic alarm signal generator
自动报警信号发生器
autoalarm selector
自动报警信号选择器
auto-distress signal apparatus
自动报警信号接收机
automatic alarm logger
报警信号自动记录仪
AAC = automat and automatical control
自动装置与自动控制
control gear and signal, level-crossing, mechanically or electromechanically operated
道口控制装置和信号装置,由机械或电动机械操纵
Transfer equipment of alarm picture signal through cable
GB/T16677-1996报警图像信号有线传输装置
electrical generator, for cycle or motor vehicle lighting and signalling equipment
自行车或机动车辆照明和信号装置发电机
Research on Laser Warning Multi-Channel Signal Synchronous Control System
激光告警多路信号同步控制系统研究