古老的标准，有新问题。在4.1.1.2里，有下面这段：4.1.1.2Onadditionalterminalsofappliancesaswellasonloadandadditionalterminalsofregulatingcontrolsincorporatingsemiconductordevicestherelaxedlimitsgivenfor"additionalterminals"incolumns4and5apply.……Noterminalvoltagelimitsapplyforleads,whicharenoteasily