单词	导出包络
释义	导出包络derived envelope
随便看	direct current arc furnace direct current arc method direct current arc source direct current arc welder direct-current arc welder direct current arc welding direct-current arc welding direct current arc welding generator direct current balancer direct-current balancer direct current bias direct-current biasing direct current bridge direct-current bridge direct current capacitor direct current characteristic direct-current characteristic direct-current circuit direct-current comparator direct-current comparator potentiometer direct-current compensator direct current component direct-current component direct current computer direct-current conductance