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 <title><![CDATA[请教矿山plc变频绞车干扰其它通讯设施是什 ..]]></title>
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 <description><![CDATA[谢谢各位老师！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136821#1208011.html]]></link>
 <author><![CDATA[聂鼎乾]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Feb 2012 22:24:50 +0000]]></pubdate>
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 <description><![CDATA[屏蔽线选的不好吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136821#1207814.html]]></link>
 <author><![CDATA[相识是缘35]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Feb 2012 11:36:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如接独立地线、标准电气接线，加输入输出电抗器，直流电抗，使作独立供电隔离供电等等&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136821#1207775.html]]></link>
 <author><![CDATA[dreamflylau]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Feb 2012 10:04:52 +0000]]></pubdate>
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 <description><![CDATA[干扰主要是变频器产生的高次谐波回馈电网的原因。不过也有防范和减小的方法！ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136821#1207773.html]]></link>
 <author><![CDATA[dreamflylau]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Feb 2012 10:02:23 +0000]]></pubdate>
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