Nezof 发表于 2019-4-25 17:531 \) r! R( I* G
一般性能标准里对偏差有限定
rick.xiao 发表于 2019-4-26 09:24" E) a, p+ D) y7 P
IEC 62384:2011,第8章有规定:
8 Total circuit power7 z/ J% ], K+ S
At rated voltage, the total circuit power sha ...
rick.xiao 发表于 2019-4-28 14:41
老付,你换头像换马甲了我认不出来了
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