DC galvanometer
... 直流电压调整器：DC voltage regulator 直流电流计：DC galvanometer 直流电动通风机：DC electroventilator ...
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... 昼光玻璃 daylight glass 直流电流计 DC ammeter 直流电弧 DC arc ...
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交直流电流计 universal test ammeter
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J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。
Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.
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