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）