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 <description><![CDATA[Latest 50 replies of 请教S7-300的接近开关如何计数]]></description>
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 <description><![CDATA[哪位能帮帮我，初次用313C，不知用哪个指令。能否发份例子程序学习一下也行。]]></description>
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 <author><![CDATA[xtl123925]]></author>
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 <pubdate><![CDATA[Sun, 29 Apr 2012 12:05:09 +0000]]></pubdate>
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