现在除了空调有变频的,冰箱、洗衣机,甚至连微波炉都一起来凑热闹了。到底什么是变频?这些变频新品和普通设备相比又好在哪儿?如果你也有这样的疑惑,不妨跟着编辑一起来看看。 Now in addition to air conditioning have frequency conversion, refrigerators, washing machines, and even the microwave are together to join in the fun. In the end what is frequency? These new products and ordinary equipment better than where? If you also have such doubts, may wish to follow the editor to see together.