国产精选欧美成aⅴ高清在线,大胸福利在线观看,亚洲伊人成综合人影院青青青,国产在线不卡一区二区三区,麻豆久久99精品影院,色多多国产学生妹免费网址,亚洲依依成网人入口,有什么黄色网站在线看免费品爱网。,有什么黄色网站在线看免费品爱网。,久久精品国产欧美日韩

35 kv transformer features: 1, low loss, energy saving is obvious. Especially the no-load loss slash, than the national standard GB/T6451-1995 an average of about 25%. 2, core all adopt imported high quality cold-rolled steel, Germany GEORG transverse shear line, the shear burr < 0.02, the inclined seam, punching, folding feng yoke technology; Fold to use double core column H viscose make two yoke iron core three column a tighten overall, smooth, firm, effectively reduce the no-load loss and no-load current of transformer and noise.