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 <title><![CDATA[请求各位高手帮忙解释下。感激万分]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1412303.html]]></link>
 <description><![CDATA[Latest 50 replies of 请求各位高手帮忙解释下。感激万分]]></description>
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 <description><![CDATA[区别：SET——RST和RST——SET]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1412303#1492698.html]]></link>
 <author><![CDATA[艾为之]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 02 Oct 2013 17:42:19 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[扫描周期的事情！入门级一定要搞懂的！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1412303#1375781.html]]></link>
 <author><![CDATA[ldbboy]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 11 Nov 2012 05:57:26 +0000]]></pubdate>
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 <description><![CDATA[为什么程序1按下去Y1无输出。请您解释下给我听听。我新手，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1412303#1375617.html]]></link>
 <author><![CDATA[爱不离]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 10 Nov 2012 23:02:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[双线圈时最后扫描到的有效。
程序1按下去后Y1无输出，程序2按下去后Y1有输出。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1412303#1375521.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 10 Nov 2012 13:06:54 +0000]]></pubdate>
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