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 <description><![CDATA[Latest 50 replies of 西门子触摸屏内部变量]]></description>
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 <description><![CDATA[谢谢楼上回复]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1421967#1421531.html]]></link>
 <author><![CDATA[czg1127]]></author>
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 <pubdate><![CDATA[Wed, 20 Mar 2013 13:28:25 +0000]]></pubdate>
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 <description><![CDATA[西门子屏的内部变量没有断电保持功能，需要使用外部变量（PLC的变量）才行]]></description>
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 <author><![CDATA[sjm213]]></author>
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 <pubdate><![CDATA[Sat, 16 Mar 2013 03:30:59 +0000]]></pubdate>
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