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 <title><![CDATA[660伏电机选断路器&nbsp;&nbsp;&nbsp;&nb ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-118625.html]]></link>
 <description><![CDATA[Latest 50 replies of 660伏电机选断路器&nbsp;&nbsp;&nbsp;&nb ..]]></description>
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 <description><![CDATA[应该用公式去算，功率是已知的，电压变了，功率因数没变，电流就不一样了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-118625#1119317.html]]></link>
 <author><![CDATA[ying-feng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Sep 2011 08:35:59 +0000]]></pubdate>
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 <description><![CDATA[功率÷电压÷1.732÷功率因数=工作电流。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-118625#1119316.html]]></link>
 <author><![CDATA[liuhanqi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Sep 2011 08:33:54 +0000]]></pubdate>
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