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heye7890
時(shí)間就像乳溝，擠擠還是有的！
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樓主  發(fā)表于: 2012-03-16 15:56
RT,RT,RT
低調！
wsc001
先做人后做事
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1樓  發(fā)表于: 2012-03-17 09:39
延時(shí)和速度跟蹤理論上是非�？尚械� 實(shí)際上由于延時(shí)精度和各品牌變頻器跟蹤能力 造成變頻器報錯  本人認為很多變頻器的速度跟蹤參數使用不佳 。

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