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 <title><![CDATA[电机快速正反转换向]]></title>
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 <description><![CDATA[Latest 50 replies of 电机快速正反转换向]]></description>
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 <description><![CDATA[那么快相当于短路了吧.反向制动也没这么快的啊.交流电的周期才0.02秒.你的就0.2秒.电机还没转起来就反向了,你就一直站中间翁翁叫吧.建议你整个0.2秒的交流电 上去测试耐压就可以了,正反转0.2秒内,还要经济,不说啥了 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1382395#1294012.html]]></link>
 <author><![CDATA[子丑寅卯9]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Jun 2012 10:54:32 +0000]]></pubdate>
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 <description><![CDATA[伺服电机控制器，可能能行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1382395#1293823.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Jun 2012 06:21:30 +0000]]></pubdate>
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 <description><![CDATA[固态接触器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1382395#1293708.html]]></link>
 <author><![CDATA[二球一哥]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 25 Jun 2012 03:14:16 +0000]]></pubdate>
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