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 <title><![CDATA[求助]]></title>
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 <description><![CDATA[Latest 50 replies of 求助]]></description>
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 <description><![CDATA[可以自己做，但是不推荐。因为没有电气的隔离，安全性不高。&nbsp;&nbsp;[attachment=42753]摘自本网的线缆图纸。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-70707#831331.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Jul 2010 01:46:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以自己做]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-70707#831314.html]]></link>
 <author><![CDATA[whgk2009]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Jul 2010 01:27:07 +0000]]></pubdate>
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 <description><![CDATA[买个232转485转换器，与plc通讯口3,8相连就可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-70707#831304.html]]></link>
 <author><![CDATA[wwhongww]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Jul 2010 01:16:11 +0000]]></pubdate>
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