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China/Asia On Demand
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diao pin ji shu guo chan hua ying yong tan suo
Author(s): 
Pages: 42-47
Year: Issue:  3
Journal: Fujian Chemical Industry

Abstract: <正> 一、前言由微处理机控制、功率电晶体推动的K系列调频装置(即马达控速器),利用调变动力电源的周波来调变感应式电动机的转速,从而迅速调控了机械传动过程的速度,
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