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 <title><![CDATA[一个直流控制系统负极为什么要和地相连？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1608197.html]]></link>
 <description><![CDATA[Latest 50 replies of 一个直流控制系统负极为什么要和地相连？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 11 Apr 2026 13:59:22 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[都是大神啊啊啊啊啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1608197#1907998.html]]></link>
 <author><![CDATA[工控剑侠666]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jul 2017 06:05:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[打雷时，会烧板。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1608197#1907834.html]]></link>
 <author><![CDATA[bus]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jul 2017 01:02:22 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&quot; 那若是交流用电哪里漏电导致地电位升高，不就影响到控制系统了吗？ &quot;

有多大的能量能讓 &quot;地电位升高&quot;?
如果可以，避雷針接地，豈不是白接?
&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1608197#1907824.html]]></link>
 <author><![CDATA[john42tw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Jul 2017 00:29:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个就是所谓的真地假地了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1608197#1907410.html]]></link>
 <author><![CDATA[周家大少]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 Jul 2017 14:28:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[负极和地相连抗干扰，防漏电]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1608197#1907368.html]]></link>
 <author><![CDATA[cjm1234]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 Jul 2017 10:08:25 +0000]]></pubdate>
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