Single-loop flash and sound alarm controller adopts advanced microprocessor for smart control, and can match use with our any control instrument or other contact check control instrument.是什么意思_Single-loop flash and sound alarm controller adopts advanced microprocessor for smart control, and can match use with our any control instrument or other contact check control instrument.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句