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 <description><![CDATA[Latest 50 replies of 三菱PLC输出模块接上负载之后所有逻辑反向 ..]]></description>
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 <description><![CDATA[请问提到的正负极是指哪里？是外部电源的正负极么？]]></description>
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 <pubdate><![CDATA[Sat, 26 Sep 2015 07:03:49 +0000]]></pubdate>
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 <description><![CDATA[负极输入，正极输出]]></description>
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 <author><![CDATA[94072890]]></author>
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 <pubdate><![CDATA[Sat, 26 Sep 2015 06:48:40 +0000]]></pubdate>
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