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 <title><![CDATA[有谁接触过电磁感应继电器的!帮帮忙!]]></title>
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 <description><![CDATA[Latest 50 replies of 有谁接触过电磁感应继电器的!帮帮忙!]]></description>
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 <description><![CDATA[应该讲清楚一写]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#450491.html]]></link>
 <author><![CDATA[ym-1000]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Mar 2009 05:22:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该讲清楚一写]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#450489.html]]></link>
 <author><![CDATA[ym-1000]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Mar 2009 05:20:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[厂里大门上有此应用，只是一块金属磁铁，当大门关到位后，大门感应到磁铁，从而切断电路，门也停止了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#450438.html]]></link>
 <author><![CDATA[小蜜蜂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Mar 2009 04:19:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[近接开关吧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#450420.html]]></link>
 <author><![CDATA[陈及灿]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Mar 2009 03:52:43 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[应该类似于接近开关的性质]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#81790.html]]></link>
 <author><![CDATA[haitun0977]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 07 Sep 2007 07:24:41 +0000]]></pubdate>
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 <description><![CDATA[[s:47]&nbsp; [s:47]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#78820.html]]></link>
 <author><![CDATA[xmh1215]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 03 Sep 2007 13:30:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是不是接近开关啊?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#78079.html]]></link>
 <author><![CDATA[laoda]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 02 Sep 2007 13:19:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是用高频振荡电磁波原理工作的吧，跟军事上的探雷器一样！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#77400.html]]></link>
 <author><![CDATA[zhengyueyong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Sep 2007 10:45:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[感应到铁的东西后，输出接点便导通]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-4850#77359.html]]></link>
 <author><![CDATA[YMMFA]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Sep 2007 10:17:19 +0000]]></pubdate>
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