标题: 22.20怎么理解 [打印本页] 作者: kuiyin01 时间: 2009-12-10 18:11 标题: 22.20怎么理解 如题EN 60335-1章节22.20怎么理解3 k( F6 c6 z+ Q
22.20 direct contact between live parts and thermal insulation shall be effectively prevented unless such material is non-corrosive, non-hygroscopic and non-combustible.: ~8 C) f: H8 {0 A7 Q! l6 H