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<![CDATA[Re:公式為V .(AD轉(zhuǎn)換)=3.14乘直徑乘轉(zhuǎn)速.計(jì)出N轉(zhuǎn)速=P份之60F頻率乘轉(zhuǎn)差 ..]]>
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<![CDATA[Re:公式為V .(AD轉(zhuǎn)換)=3.14乘直徑乘轉(zhuǎn)速.計(jì)出N轉(zhuǎn)速=P份之60F頻率乘轉(zhuǎn)差 ..]]>
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<![CDATA[Re:公式為V .(AD轉(zhuǎn)換)=3.14乘直徑乘轉(zhuǎn)速.計(jì)出N轉(zhuǎn)速=P份之60F頻率乘轉(zhuǎn)差 ..]]>