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 <title><![CDATA[导线选择规则是怎样的？]]></title>
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 <description><![CDATA[Latest 50 replies of 导线选择规则是怎样的？]]></description>
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 <description><![CDATA[设备负载（cos∮=0.8)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;暗敷四根单芯穿塑料管，环境温度35℃&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;明敷，环境温度35℃&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;按经济电流密度算（5000h以上）&nbsp ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44484#615234.html]]></link>
 <author><![CDATA[pingwuhui83]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Sep 2009 11:35:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[线截面积＝2/3负载功率（KW)铜线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44484#615160.html]]></link>
 <author><![CDATA[wzhw80808]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Sep 2009 09:45:11 +0000]]></pubdate>
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 <description><![CDATA[如你的问题
导线主要依据所要导通电流选择导线的截面积，依据电压选择绝缘强度。
一楼讲的电工口诀也是很方便的依据]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44484#615099.html]]></link>
 <author><![CDATA[hehaiwaer]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Sep 2009 08:33:58 +0000]]></pubdate>
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 <description><![CDATA[你在网上找一下吧,好像有个什么电工口决,简单的几句话就可以告诉你了.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-44484#615045.html]]></link>
 <author><![CDATA[unique]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Sep 2009 07:42:27 +0000]]></pubdate>
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