国产+传媒,天堂av无码av一区二区三区,,在线免费av日韩,少妇搡bbbb搡bbb搡毛茸茸,伊在人天堂亚洲香蕉精品区,五月天丁香花色,亚洲欧美日本中文字不卡,久久精品成人网站,国产精品无码免费无需播放

Overview
The intermediate frequency electric furnace rectifier transformer is a special transformer for the intermediate frequency electric furnace to provide rectification power. According to the load characteristics of the medium frequency electric furnace, the transformer has the characteristics of strong overload current, low harmonic current and good cooling effect.
 
Technical parameters