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2004版中的描述: The height of graphical symbols shall not be
& h0 C3 x9 Y( `+ a% @less than 5 mm except that the symbols for class II and class III luminaires and for the F mark
3 L% E6 j. m1 ^' p. X& |7 }' i pmay be reduced to a minimum of 3 mm where the space available for marking is restricted.
# X% M( }; V4 L& P$ `! J9 L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.# V& W' w/ z; B/ E* b
* q" R1 U6 a' Y. A; O2008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.
) h$ E: J( O# C/ G* @( i, ~+ a) s$ M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.# O! ?/ k% C3 c; U* o4 \8 T7 {
5 D* B# _ Y' a* y5 r7 S
不知道各位是怎么理解2008版的? |
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