vacuum-tube voltmeter中文，vacuum-tube voltmeter的意思，vacuum-tube voltmeter翻译及用法

2026-03-22 20:27 浏览次数 35

vacuum-tube voltmeter

[ˈvækjuəm tub ˈvoltˌmitɚ]

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vacuum-tube voltmeter 英语释义

英语释义

    1. a voltmeter employing vacuum tubes and useful because of its very high input impedence for measurements in circuits (as vacuum-tube circuits) from which only very small currents can be drawn without altering the voltages being measured

vacuum-tube voltmeter 例句

英汉例句

  • standard compensation type vacuum-tube voltmeter

    标準补偿式电子管电压表

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