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 <description><![CDATA[您好，我做过了，只能一台一台启动，就是只能单动，不知如何做联动]]></description>
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 <pubdate><![CDATA[Sat, 25 Feb 2012 04:53:39 +0000]]></pubdate>
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 <description><![CDATA[PLC 的485向外输出命令 是可以控制的，&nbsp;&nbsp;你自己做程序控制一下不行吗？]]></description>
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 <author><![CDATA[8365921]]></author>
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