电子管

• International electrotechnical vocabulary . part 531 : electronic tubes
  国际电工词汇.第531章:电子管
• Measurements of the electrical properties of low - power electronic tubes
  小功率电子管电性能测试方法
• The second electron tube is out of order
  第二个电子管坏了
• The type designation for electron tubes
  电子管型号命名方法
• Verification regulation of tube voltmeter verification device dyb - 2
  Dyb - 2型电子管电压表检定仪检定规程
• We are going to choose our partner in inner tube from china
  我们想从中国求购电子管，请速与我们联系。
• John ambrose fleming invents the two - element " fleming valve "
  约翰.安布罗斯.弗莱明发明二极“电子管” 。
• Slide - back vacuum tube voltmeter
  偏压补偿式电子管伏特计
• Specification for ceramic components for use in envelopes for electronic tubes
  电子管外壳用陶瓷部件规范
• Outline dimensions of electronic tubes
  电子管外形尺寸