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 <title><![CDATA[拜师学艺]]></title>
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 <description><![CDATA[Latest 50 replies of 拜师学艺]]></description>
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 <description><![CDATA[楼上的师傅请教一下具体的工式]]></description>
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 <author><![CDATA[54481032]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 May 2011 11:32:02 +0000]]></pubdate>
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 <description><![CDATA[搜一下口诀就知道了，一般情况，不是穿管的情况，一般取个大概范围就可以，线的温升和电流大小，和外界温度等等因素很多 和距离长短也有关系&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106300#1049886.html]]></link>
 <author><![CDATA[中国工控]]></author>
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 <pubdate><![CDATA[Mon, 23 May 2011 07:29:35 +0000]]></pubdate>
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 <description><![CDATA[给你一份电子书自己看看就明白了 [attachment=61901] [attachment=61902] [attachment=61903] [attachment=61904] [attachment=61905]&nbsp;&nbsp;&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106300#1049633.html]]></link>
 <author><![CDATA[z4131246]]></author>
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 <pubdate><![CDATA[Mon, 23 May 2011 00:14:19 +0000]]></pubdate>
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 <description><![CDATA[单走一根线和走一棵多芯的缆同等平方承载电流不同的。一跟70平方的线能走200个电流，假设有140平方的线，那么140平方的这根线就走不了400个电流]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106300#1049518.html]]></link>
 <author><![CDATA[博世变频]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 May 2011 14:18:48 +0000]]></pubdate>
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