Chinese translation for "声力电话系统"

sound-powered telephone system

Similar Words：

"声力" Chinese translation, "声力波" Chinese translation, "声力传声器" Chinese translation, "声力电话" Chinese translation, "声力电话机" Chinese translation, "声力级" Chinese translation, "声力灵敏度" Chinese translation, "声力送话器" Chinese translation, "声量" Chinese translation, "声量保证期" Chinese translation