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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;
% d4 B8 C* l8 A7 ^/ }Surfaces of handles, knobs, grips and similar parts which are continuously held in normal use
, e4 n/ ]6 x. T' L6 i+ j) O' ](e.g. soldering irons):塑料把手限值:50k。7 _' r6 P. }1 z- X4 r) c' X3 Y; w
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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?( N6 O# p; E' n' F- d8 N3 E
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