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- 数字万用表,一种多用途电子测量仪器,一般包含安培计、电压表、欧姆计等功能,有时也称为万用计、多用计、多用电表,或三用电表-Digital multimeter, a multi-purpose electronic measuring instrument, voltage meter, ammeter, generally contain ohmmeter function, sometimes referred to as the multimeter, multipurpose meter