短語詞組短語voltage -stabilizing source 穩(wěn)壓電源tube voltage -stabilizing 電壓穩(wěn)定器commutating and voltage -stabilizing 整流穩(wěn)壓direct current voltage -stabilizing 直流穩(wěn)壓half -wave commutating and voltage-stabilizing circuit 半波整流穩(wěn)壓電路pid frequency -changing and voltage-stabilizing technology pid變頻定壓系統(tǒng) 返回 voltage-stabilizing