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 <title><![CDATA[求S7-200通讯方面的教程(最好是视频)!]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27057.html]]></link>
 <description><![CDATA[Latest 50 replies of 求S7-200通讯方面的教程(最好是视频)!]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[资料也可以，或者是程序例子]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27057#581700.html]]></link>
 <author><![CDATA[amen2008]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 22 Jul 2009 01:03:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[而且200的通讯涉及比较多。最好是针对具体问题来进行描叙！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27057#581313.html]]></link>
 <author><![CDATA[以恒]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 21 Jul 2009 08:48:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，估计没有。有什么问题可以提出来。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27057#385361.html]]></link>
 <author><![CDATA[以恒]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 14 Dec 2008 04:09:51 +0000]]></pubdate>
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