level alarm high low 中文意思是什麼
level alarm high low
解釋
高低料位警報-
Traditional intelligent residence guard against theft and alarm system is an alarm system on the basis of telephone lines, which has a long response time, high application and maintenance cost and low independence with the security and stability level depending on that of telephone networks
傳統的智能小區防盜報警系統是基於電話線的聯網報警系統,響應時間慢、使用和維護成本高、安全和穩定性依賴于電話網的安全和穩定性,系統的獨立性較差。
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