维摩诘呼 发表于 2017-4-24 23:59:47

IEC 60034-5：2006 Rotating electrical machines - Part 5：Degrees of protectio

IEC 60034-5：2006  Rotating electrical machines - Part 5：Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classificat

admin 发表于 2017-4-26 16:13:00

谢谢您的分享,金币已奖励!

ir_71 发表于 2019-11-12 23:11:31

Thank you very much for sharing!
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