型号HC-49/S,HC-49/SMD,HC-49/TS,HC-49/U,JU-206,JU-308,SMD2012A,SMD321**,SMD411**,SMD4918A,SMD7015B,SMD8038B,SMD2520B,SMD3225B,SMD322**,SMD5032B,SMD5032A,SMD6035B,SMD603**,SMD7050B,频率,精度,负载电容,工作温度,印字可定制