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annunciator的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
annunciator的用法和样例：
词汇搭配
- annunciator board 示号器板
- annunciator system 示号器系统
- needle annunciator 指针示号器
- annunciator clock 信号钟
- annunciator relay 信号继电器
- annunciator bell 信号铃
- annunciator panel 信号控制盘
- alarm annunciator 警报信号器
- annunciator jack 示号器塞孔
- annunciator disk 圆盘号码同
- electronic annunciator 电子信号机
- annunciator drop 号牌
- annunciator alarm 警报信号器
- drop annunciator 吊牌通报器,色盘降落...
