automatic alarm

• 自动警报器,自动报警,自动报警器

automatic alarm的用法和样例：

例句

1. Have automatic alarm and alarm prompt system for abnormal trouble.
   具有异常故障自动报警及报警提示系统。
2. Every savings bank is installed with an automatic warning device.
   每个银行储蓄所里都设有自动报警装置。