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4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:- J- Q- K7 g1 M) b! \; b) }. u5 w
2.7.1 Basic requirements ) Q6 e. v! V4 p6 M* aProtection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be, M7 X# [' M' b7 D
provided, either as an integral part of the equipment or as part of the building installation.2 m) y0 f9 b% D5 X: e% J
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红色字体部份,怎样理解也都无法得出:保护必须置于EUT内的要求~