announciator
常见例句
- This paper introduced the design purpose and working principle of Model JY Train Approaching Announciator and analyzed the features of the system.
介紹了JY型列車接近語言預警機的軟、硬件設計和工作原理，竝對其技術特點進行了分析。 - Voice call the police briefness safety dependable possesses battery capacity lack sensor damage warning can timely remind consumer to announciator proceed maintain.
聲音報警，簡單、安全、可靠具有電池容量不足、傳感器損壞警告，可及時提醒用戶對報警器進行維護。 返回 announciator