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 <title><![CDATA[TN-S系统问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1410933.html]]></link>
 <description><![CDATA[Latest 50 replies of TN-S系统问题]]></description>
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 <description><![CDATA[TNS系统就是三相5线制也就是PE与N始终分离
TNC系统是三相四线制也就是PEN共用
TN-C-S系统，系统中有PE与N是合一的，后来是分开的


[s:21][s:21][s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1410933#1375220.html]]></link>
 <author><![CDATA[zczc777]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 10 Nov 2012 02:45:29 +0000]]></pubdate>
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 <description><![CDATA[但是接地线PE不与N线相连，怎能是TN-C-S]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1410933#1375199.html]]></link>
 <author><![CDATA[s600]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 10 Nov 2012 02:14:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[送出四根线后面变五根应该是TN-C-S吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1410933#1372336.html]]></link>
 <author><![CDATA[pc5036]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 05 Nov 2012 12:22:56 +0000]]></pubdate>
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 <description><![CDATA[[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1410933#1372264.html]]></link>
 <author><![CDATA[s600]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 05 Nov 2012 10:20:42 +0000]]></pubdate>
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