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在60335-1标准里面就有这样的语句:
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5 X' f0 E% K7 y3 S. _ {0 Q7.3 Appliances having a range of rated values and which can be operated without. v0 u( y; t$ S) O, B1 R4 E
adjustment throughout the range shall be marked with the lower and upper limits of the range" k7 E$ |2 P! |1 ~" \
separated by a hyphen.4 X9 C- T7 [: t/ v5 T
NOTE 1 Example: 115-230 V: The appliance is suitable for any value within the marked range (a curling iron with
* J1 m8 v3 k$ V# c8 ha PTC heating element). |
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