标题: UL1012 [打印本页] 作者: daocaoren 时间: 2013-3-15 16:53 标题: UL1012 6.18 POWER UNIT, FIXED – A power unit that is intended to be permanently connected electrically. o3 l% n! C( d5 x& c
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6.21 POWER UNIT, STATIONARY – A cord and plug connected power unit that is intended to be % ?" ]3 i6 }, I5 Y. ]3 q! ifastened in place or located in a dedicated space. ; s! ]9 |1 @" {; v" j/ |% @# F4 R( O. t0 {8 P; J
以上2个电源有什么区别？, o& b# r+ K7 L* Z5 v9 F0 J& E, i+ Z3 M 作者: daocaoren 时间: 2013-3-18 17:34
没人回答么作者: Alexsong 时间: 2013-3-19 18:12
6.18是通过永久电气连接。- S J' }" u' ~/ g
6.21是通过一条插头线连接到电源，放在一个固定的位置，不经常移动它。作者: daocaoren 时间: 2013-3-20 11:22
什么才叫永久电气连接啊 用接线帽扭在一起算吗？作者: kuzhuan2008 时间: 2017-9-8 21:20
路过,顺便学习下