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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;
( W: w) {4 r; R; C% {2 A9 tSurfaces of handles, knobs, grips and similar parts which are continuously held in normal use2 t# _, b+ B) w5 _0 r
(e.g. soldering irons):塑料把手限值:50k。0 G$ `4 d3 d" _5 n; Z8 g {
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问题:这个short period 和 continuously有标准规定具体的时间判断吗?5 I+ l# I U x) E
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