The ancestor of these miniature electronic devices is the vacuum tube.
这些微型电子装置的鼻祖就是真空管。

Or to reduce cost, bassoon span of purpose, reduce vacuum tube amount.
或者为了降低成本，有意增大管间距，减少真空管数量。

Improvement on Vacuum Seal Process for Solid Discharge Tube Used in MDF.
通信总配线架用固体放电管封接工艺的改进

A molten metal moves from a crucible into a vacuum chamber through a tube.
熔融金属通过一根管子从熔炉进入真空室。

A New Calculation Method for the Vacuum Tube High Frequency Power Amplifier
电子管高频功率放大器的新算法

The experimental research of the vacuum tube water heater with supplant tube
带排挤管的真空管太阳能热水器实验研究

Battery for supplying a constant positive voltage to the plate of a vacuum tube.
能够产生真空管金属板稳定负电压的电池。

Bozeman was up on a footstool, cleaning one of the aquariums with a vacuum tube.
勃兹曼站在脚凳上，正在用真空管清理其中的一个水族馆箱。

Heavy metal guitar players use vacuum tube amplifiers to produce extreme distortion.
重金属吉他手使用真空管放大器造成严重失音。

And we usually use vacuum tube to the computer such as the first generation computer.
而我们通常把这种使用真空管的计算机称为第一代计算机。

The main products of BCQ include Brake tube, Fuel tube and Boosting vacuum tube, etc.
公司目前的主要产品包括制动管, 燃油管和调压真空管等。

Study on Internal Pressure Measurement Without Detaching Vacuum Tube from Circuit Breaker
用旋转式电场探头在线检测灭弧室真空度

Function and Optimum Design of Diffuse Reflection Plate of the Vacuum Tube Solar Water Heater
真空管太阳能热水器漫反射板的作用与最佳设计

a small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback.
带有真空管正极并连接栅格以提供反馈的一系列小线圈。

Oddly, heres another hotel room feature that seems to be going the way of the vacuum tube television.
很奇怪, 这好像是真空电视的发展而消失的旅馆特征。

An electron tube is generally used for amplification, and vacuum tube is another term for this device.
电子管通常用来放大，而真空管则是电子管的另一名称。

Detection and Experiment Research on Vacuum Pressure in Vacuum Tube by Ultrasonic and Impulse Current Method.
真空灭弧室真空度的超声和脉冲电流的检测与实验研究

New Technology of Prestressed Tube Vacuum Pumping for Main Bridge Box Beam of Xiangyin Xiangjiang River Bridge
湘阴湘江大桥主桥箱梁预应力管道真空压浆新工艺

A vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen.
阴极射出一束电子通过高压正极的真空管。