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://hannakqcg174800.bloggerchest.com/41352477/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