电子信号器 meaning in English
audible annunciator
electronic a unciator
electronic annunciator
Examples
- But new safety devices such as electronic beacons and gps locators have made it easier to find skiers buried in avalanches
但是新的安全装置，例如电子信号器以及全球卫星定位系统，已经让被雪崩埋住的滑雪者更容易被找到。