She has a microwave, but uses it mainly for defrosting bread.

她有一台微波炉，但是主要用于解冻面包。

My father is defrosting the refrigerator.

爸爸正在给冰箱除霜。

Hot liquid defrosting is a new method of defrosting.

液体冷媒融霜是一种新型的融霜方法。

The Max. Operation time without defrosting is approx. 24 HRS.

不除霜的最长工作时间约24小时。

The fuzzy control defrosting of air-resource heat pump is completed.

对空气源热泵进行了模糊除霜控制的实验研究。