However how outdated and worn I am starting to experience beneath the force of these daily cares, trials and disappointments. 丁子 显然，交变电流的频率越高，软磁的磁化频率也就越高，同一时间因为剩磁和纠磁花费的电能就越多，产生的热量就越大，磁滞损耗也就越大。 Why you would li