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IEC 60335-1中:Surfaces of handles, knobs, grips and similar parts which are held for short periods only innormal use (e.g. switches): 塑料把手限值:60k;1 V4 Q$ }$ G3 {
Surfaces of handles, knobs, grips and similar parts which are continuously held in normal use$ M! T. A" V' I: d$ o* h3 c
(e.g. soldering irons):塑料把手限值:50k。( A, c% J; U/ I) S- F2 k
4 l3 n: |2 V l问题:这个short period 和 continuously有标准规定具体的时间判断吗?
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