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   English
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contact making voltmeter
construct. 接触式〔触点式,继电〕电压表
el. 闭合触点的电压表
geophys. 接触式电压表
tech. 继电电压表; 触点式伏特计
contact-making voltmeter
el. 继电电压表; 接触式伏特计
 English thesaurus
Contact Making Voltmeter
el., abbr. CMV