500快餐4小时真的假的

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直流退磁機與交流退磁機的區別?

2020-08-19 20:16:27 asycn 28

首先兩者本質不同,一個是用直流磁場退磁,一個是用交流磁場退磁。對直流磁場退磁而言,直流磁場間斷反向,幅度每次減小,最后實現退磁;對交流磁場退磁來講,退磁的產品從交流磁場中通過,就實現退磁;相對而言,交流退磁機的操作要簡單一點。

500快餐4小时真的假的

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