电子信号装置 meaning in English
electronic scanning device
Examples
- One that announces , especially an electrical signaling device used in hotels or offices to indicate the sources of calls on a switchboard
信号器，示号器宣告物，尤指饭店或办公室中使用的一种电子信号装置，用来指示交换台上的呼叫信号来源
electronic scanning device