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 <title><![CDATA[有事请教大家！]]></title>
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 <description><![CDATA[Latest 50 replies of 有事请教大家！]]></description>
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 <description><![CDATA[一般电压继电器有一个输入电压的范围，比如说0-400V、0-220V，在这个范围内可以设定上、下限电压，超出上下限范围有继电器常开/常闭触点输出信号。给你传个大连产的直流电压继电器说明书。价格约400.00。交流的你可以上网百度一下。 [attachment=80986]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1235639.html]]></link>
 <author><![CDATA[thcgw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 28 Mar 2012 01:05:05 +0000]]></pubdate>
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 <description><![CDATA[没见过，期待大侠们的参与。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1235355.html]]></link>
 <author><![CDATA[工控学习]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 11:54:41 +0000]]></pubdate>
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 <description><![CDATA[数字电压表就可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1235277.html]]></link>
 <author><![CDATA[李想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 08:59:51 +0000]]></pubdate>
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 <description><![CDATA[电压表就可以了，可显示电压，输出开关量，模拟量，也可以用通讯]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1235217.html]]></link>
 <author><![CDATA[jx_einstein]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 06:42:43 +0000]]></pubdate>
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 <description><![CDATA[差不多吧！就是电压可调的，然后再输出一个信号！ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1235132.html]]></link>
 <author><![CDATA[xghjiayou]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 27 Mar 2012 04:18:51 +0000]]></pubdate>
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 <description><![CDATA[意思就是大于一定电压或者小于一定的电压，要输出一个信号？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1234946.html]]></link>
 <author><![CDATA[yimeng5132]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 26 Mar 2012 15:21:01 +0000]]></pubdate>
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 <description><![CDATA[什么家伙？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1234913.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 26 Mar 2012 14:16:42 +0000]]></pubdate>
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 <description><![CDATA[要可调，任意电压的 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1234895.html]]></link>
 <author><![CDATA[xghjiayou]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 26 Mar 2012 13:56:35 +0000]]></pubdate>
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 <description><![CDATA[电压继电器？ [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144511#1234881.html]]></link>
 <author><![CDATA[hewm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 26 Mar 2012 13:39:21 +0000]]></pubdate>
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