vacuum tube

英 [ˈvækjuːm tjuːb]

美 [ˈvækjuːm tuːb]

n.  真空管

化学

英英释义

noun

• electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
  Synonym:tubethermionic vacuum tubethermionic tubeelectron tubethermionic valve

双语例句

• Vacuum tube amplifiers used the first time in coast-to-coast telco circuits.
  真空管放大器首次用于大西洋岸至太平洋岸的电信电路中。
• I think this was a vacuum tube system where there is no drag.
  我认为这是一个真空集热管系统，其中有没有阻力。
• Diode: A semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.
  二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。
• The Impact of the Dust on the Solar Vacuum Tube Collector Performance
  灰尘对太阳能真空集热管性能的影响
• The vacuum tube has natural tracing ability against sunlight and it can work when sunlight exists.
  真空管对太阳光具有自然跟踪的能力，只要有太阳光辅射，真空管就可工作；
• Sunlight energy is collected by glass vacuum tube and metal superconductive tube transmits heat to the pressure-bearing water tank to heat up water.
  太阳光能量通过玻璃真空管采集，由金属超导热管传热至承压水箱内把水加热。
• The utility model is a superconducting device of self heat source of oil well avoiding wax and reducing viscosity, and belongs to novel field of heat transfer technology of vacuum tube.
  本实用新型为一种油井自热源超导防蜡降粘装置，属真空管传热技术新领域。
• Battery used to heat the filaments of a vacuum tube.
  能够把真空管的细丝加热的电池。
• The combination of vacuum tube encapsulation KUVAG fixation poor, poorer buffer capacity.
  KUVAG固封的真空管包封的结合性较差，缓冲能力也差一些。
• 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。