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 <description><![CDATA[[s:28] ，怎么没人帮忙啊！]]></description>
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 <author><![CDATA[曹靖昂]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 08 Oct 2011 04:43:33 +0000]]></pubdate>
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 <description><![CDATA[只用过一台触摸屏控制5台S7-200的通讯，用PPI、主从通讯。这个没有用过，期待有人给个答案！顶！ [s:39]]]></description>
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 <author><![CDATA[暗夜君主]]></author>
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