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 <title><![CDATA[请教一个接近开关的问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教一个接近开关的问题]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[再仔细检查一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1035246.html]]></link>
 <author><![CDATA[liuliangdt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 May 2011 05:01:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[很难说啊。。这个。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1035185.html]]></link>
 <author><![CDATA[zhuleiyx01]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 May 2011 03:52:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[11楼对]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1034346.html]]></link>
 <author><![CDATA[luyanping]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 May 2011 06:11:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[型号是一样吗，检查一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1034243.html]]></link>
 <author><![CDATA[huxupin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 May 2011 05:01:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[极性要和PLC接合起来考虑]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1034138.html]]></link>
 <author><![CDATA[tammao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 May 2011 03:48:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[二楼说的好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1033846.html]]></link>
 <author><![CDATA[科技改变未来]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 04 May 2011 15:20:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是接近开关质量问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1032216.html]]></link>
 <author><![CDATA[yjzsctr]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 05:57:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[很难说明。。。。。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1032200.html]]></link>
 <author><![CDATA[yuanzhi1978]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 05:32:32 +0000]]></pubdate>
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 <description><![CDATA[可能就是NPN和PNP开关搞错了！极性问题！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1032008.html]]></link>
 <author><![CDATA[dream8888]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 01:25:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是否是极性搞错了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1032001.html]]></link>
 <author><![CDATA[sky79123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 01:18:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[很难说明。。。。。。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1031991.html]]></link>
 <author><![CDATA[etdssdabb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 01:04:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接线方法不对]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1031989.html]]></link>
 <author><![CDATA[cuixiaobao12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 00:59:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接近开关一般分为PNP和NPN两种不知楼主是不是搞错了，PNP输出信号为高电平，NPN输出为低电平。不知这样的解释楼主是否满意。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1031976.html]]></link>
 <author><![CDATA[铭杰工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2011 00:22:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主最好能把你的接线示意图上传，否则同行们分析会有些困难]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1031905.html]]></link>
 <author><![CDATA[detect]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 May 2011 15:31:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[近接开头的品牌、型号与规格？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-104278#1031882.html]]></link>
 <author><![CDATA[廊坊过客]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 02 May 2011 14:55:11 +0000]]></pubdate>
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