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单词 volt box
释义 volt box
noun
: a resistance box provided with taps, usually used with a potentiometer for measuring potentials beyond the range of that instrument, and so constructed that by means of the taps a definite fraction (as 1/10 or 1/100) of the potential applied to the volt box is made available for potentiometer measurement
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更新时间:2024/9/22 5:40:00