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2004版中的描述: The height of graphical symbols shall not be
' ]: \" f" I! s) e. z9 Z3 gless than 5 mm except that the symbols for class II and class III luminaires and for the F mark1 v, D$ k( x0 y8 E7 `+ _
may be reduced to a minimum of 3 mm where the space available for marking is restricted.
p- m0 a+ D0 W7 @. \我的理解:除了二类,三类标示, 和F标示的高度因产品上空间的限制可以小到3MM之外, 灯俱上的其它符号的高度不能小于5MM.5 A0 S; s: w b9 X
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2008版中的描述: The height of graphical symbols shall not be less than 5 mm, except for symbols for class II and class III luminaires, and may be reduced to a minimum of 3 mm where the space available for marking is restricted.
, V$ o# u# m- }5 t5 P. V! @7 v这句话好像是说: :二类,三类符号高度不能小于5MM, 灯俱上的其它符号的高度因产品上空间的限制可以小到3MM.
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% T8 M6 q" n4 g不知道各位是怎么理解2008版的? |
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