三级片免费网91-黄色一级无码免费电影-日本三级网站在线观看免-三级片久久精品免费看-黄色录像1级2级3级-欧美一级婬片A片无码区-一级黄色录像影视片-强奸一级毛片久久-欧美一级a视频免费发

?Made of iron-based amorphous or iron-based nanocrystalline ribbons ?High saturation magnetic induction-high effective working magnetic induction ?Easy coil assembly ?High permeability and low coercivity-improve device efficiency and reduce volume ?Low loss-reduce device temperature rise ?Good temperature stability-can work for a long time at -55~120℃