liuxilin1215 发表于 2014-2-11 07:41:08

IEC/TR 61800-6-2003

IEC/TR 61800-6-2003 Adjustable speed electrical power drive systems – Part 6: Guide for determination of types of load duty and corresponding current ratings


admin 发表于 2014-2-11 15:20:17

谢谢您的分享，金币已奖励

zhaozhe79 发表于 2017-7-11 10:05:43

thank you for sharingthank you for sharingthank you for sharing
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