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快樂(lè )wei
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樓主  發(fā)表于: 2017-07-10 16:18



  
lvpretend
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1樓  發(fā)表于: 2017-07-27 20:05
引用
引用第14樓leechonghua于2017-07-12 19:03發(fā)表的  :
以前的變頻器選用元件余量大，散熱板大。再看看現在的變頻器。臺達2000系列的就是垃圾�。。�！

臺達B\F\V（VE）算是臺達變頻器用料做工的巔峰之作了，但軟件差了點(diǎn)，現在的C大系列軟件是上去了，可惜用料做工下來(lái)了，沒(méi)辦法，日系向下延伸，大陸系向上拓展，成本壓力大。

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