transformersn.变压器名词transformer的复数形式.transformern.变压器transformer state assessment变压器状态评估transformer ratio arm bridge变量器比率臂电桥transformer coupled resistor变压器量耦合transformer overcurrent trip变压器过流跳闸装置transformerless power supply无变压器电源transformer state evaluation变压器状态评估transformer for hysteroscope宫腔镜用变压器transformer insulation aging变压器绝缘老化transformer-bushing system变压器-套管系统transformer / soft switch变压器／软开关