announciator

基本解釋

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(yǔ)言預(yù)警機(jī)的軟、硬件設(shè)計(jì)和工作原理，竝對(duì)其技術(shù)特點(diǎn)進(jìn)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(bào)警，簡(jiǎn)單、安全、可靠具有電池容量不足、傳感器損壞警告，可及時(shí)提醒用戶對(duì)報(bào)警器進(jìn)行維護(hù)。