defrosting英文

Please check defrosting system for me as I found it took too long to blow fogs out 不过这两样东西（雾和霜）不是一样的系统。一个用加热丝和热风。一个用热风或冷风。

1.Don't use refrigeration for a long time, it will lead to damage to machinery.2.Regular defrosting

The freezing, the refrigeration, the refrigerator defrosts, the freezer storage defrosts

1. Prolonged use can not be mandatory refrigeration, it will lead to damage to machinery. 2. Defrost regularly