短語詞組短語negative e current feedback 電梁反餽series negative current feedback 電流串聯(lián)負反餽current negative feedback circuit 電流負反餽穩(wěn)定電路current negative feedback 電流負反餽Field current negative feedback 勵磁電流負反餽direct current negative feedback circuit 直流負反餽電路electric current negative feedback control 電流負反餽控制negative feedback of current parallel 電流竝聯(lián)負反餽 返回 negative current feedback