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 <description><![CDATA[模拟量控制变频器，用温度控制变频器的频率，再控制电机的速度。]]></description>
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 <pubdate><![CDATA[Sat, 06 Jun 2015 08:40:08 +0000]]></pubdate>
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 <description><![CDATA[是开关量控制变频器还是模拟量，如果是模拟量估计得上300了]]></description>
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 <pubdate><![CDATA[Sat, 06 Jun 2015 08:34:48 +0000]]></pubdate>
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