| 释义 |
〔annunciator〕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〔TWX〕Teletypewriter exchange.电传打字电报交换台〔exchange〕A telephone exchange.电话局：电话交换台 |