First: The difference between Air cooling and Direct cooling:Air-cooling refrigerators use frost-free technology for refrigeration. The principle is to use an internal circulation fan to disperse cold air to https://kiaratgvv403695.theideasblog.com/41689050/when-choosing-commercial-refrigerators-the-common-choices-will-be-air-cooling-and-direct-cooling-but-which-refrigerator-is-suitable-for-you-or-do-you-know-their-advantages-and-disadvantages