引用第3楼gzm-happy于2008-03-21 12:52发表的 :
能否具体些,标准上好像找不到,谢谢
引用第4楼vbluesky于2008-03-21 14:21发表的 :
1.2.16' e( w$ O% Y: f& o1 [) F3 E( G3 H
basic insulation8 f+ B; C8 V& _1 s) \
insulation applied to live parts to provide basic protection against electric shock.7 j+ b; \ `0 W( e$ H( A( X- y! ^
NOTE Basic insulation does not necessarily include insulation used exclusively for functional purposes.( e6 o3 q K \8 d3 o
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