The differential sensor operates the operation of the automatic cleaning when it has been it has been activated by clogging and periodically by the settings on the timer.是什么意思_The differential sensor operates the operation of the automatic cleaning when it has been it has been activated by clogging and periodically by the settings on the timer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句