vacuum tube characteristic

A method of using vacuum characteristic of a nozzle to reuse the oil mist generated during machining operation was put forward.

分析和测试了喷嘴的真空特性,设计了一套基于喷嘴油雾回收系统。

logarithmic vacuum-tube voltmeter

对数刻度真空管伏特计

digital vacuum tube voltmeter

数字式真空管伏特计

diode rectifier-amplifier meter

二极管整流放大伏特计

slide-back vacuum tube voltmeter

偏压补偿式电子管伏特计

Bayard-Alpert gauge

贝阿德-阿尔珀特真空计

hot cathode magnetron gage

热阴极磁控管真空计

aperiodic voltmeter

大阻尼伏特计;速示电压表;不摆伏特计;不摆式伏特计;直指伏特计

a sensitive voltmeter that can measure voltage in millivolts.

能够以毫伏计量的灵敏伏特计。

very high frequency vacuum tube voltmeter

甚高频电子管伏特表

permanent magnet moving-coil type voltmeter

永久磁铁动圈式伏特计

cadmium test voltmeter

镉棒测试专用伏特计

relay type recording voltmeter

继电器式记录伏特计

indirect acting type recording voltmeter

间接作用式记录伏特计

direct acting type recording voltmeter

直接作用式记录伏特计

USING A VOLTMETER MEASURE THE B CIRCUIT.

使用伏特计测量Ｂ回路。

electrostatic voltmeter

静电电压表;静电电压表;静电伏特计;静电伏特计

Investigation on Breakdown Probability of Series-Connected Vacuum Gaps;

串联真空间隙冲击击穿统计特性研究

first generation computer

第一代计算机（用真空管元件）