an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
例句
Fire detection and alarm system annunciator unit. 火灾探测和警报系统通知器单位。
ANNUNCIATOR,A visual device consisting of a number of lights. Each light indicates the condition which exists or has existed in an associated circuit and is labeled accordingly 信号牌,由一系列指示灯组成的目视装置。
Mosqyito trap, garden products, door bell, annunciator. 灭蚊器、花园用品、门铃、防盗器。
Controls delay of annunciator panel call pending buzzer if a panel is provided. 控制信号面板呼梯蜂鸣器的延迟时间,如果提供了一个面板的话。
We want to buy atuo annunciator, European / Asiatic Cars.PLS CONTACTE US. 我们求购汽车报警器，请与我们联系。
I need to Buy annunciator ,if you can supply ,only factory contact us. 我们需要购买报警器;请有生产这些产品的厂家尽快联系我们.
