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在不同 volume 之用途, UL 没有特別界定清楚, 但可以举几个例子作参考:
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例 1:' S# w: k6 i7 C1 ~& q l& b
Volume 1: Power tools (Listed)" w6 H( D5 f3 w" w6 V
Volume 2: Recognized components for power tools" B* g6 F6 ~8 t: B
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例 2:
% A+ E5 K. ^- j/ r6 @Volume 1: Air purifier (Listed)8 q& N% k; c1 x; I! c# B2 v
Volume 2: Unlisted components for air purifier# L1 P6 ^1 D) U6 k5 a
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例 3:
4 {# V' ^6 h8 _9 [, e; ]! ?2 OVolume 1: Switches for current carrying (Recognized components); U3 s& i5 v9 i; @* ^( L4 G$ z4 x
Volume 2: Switches for signal reversing (Recognized components)2 e, z# e; r, H5 l6 h
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例 4:
, }8 B. c( x; v: ~6 }: rVolume 1: Switches (Recognized components)( [: [( V7 ]6 a/ J2 W5 i/ Y
Volume 2: Switches (Recognized components) 部份 volume 1 型号, 不是全部。
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