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.
介绍了JY型列车接近语言预警机的软、硬件设计和工作原理，并对其技术特点进行了分析。 - Voice call the police briefness safety dependable possesses battery capacity lack sensor damage warning can timely remind consumer to announciator proceed maintain.
声音报警，简单、安全、可靠具有电池容量不足、传感器损坏警告，可及时提醒用户对报警器进行维护。 返回 announciator