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 <title><![CDATA[关于S7-200通过USS与MM440通讯问题求助]]></title>
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 <description><![CDATA[看来用S7-200与MM440做USS通讯的不多啊。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-83113#893608.html]]></link>
 <author><![CDATA[天使之心]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 30 Oct 2010 10:27:36 +0000]]></pubdate>
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