What reason is freezer frost caused?Do you know any of these reasons?

When a lot of users use the refrigerator, they find that the inside of the refrigerator will appear “frost” phenomenon, do not know what is the reason, this article combined with the refrigeration principle and structure of the refrigerator, about why the refrigerator will frost.Before said frosted reason about content related to the refrigeration, the… Read more What reason is freezer frost caused?Do you know any of these reasons?