真空管的英文:
vacuum tube

参考例句:
  • A valve detector
    真空管检波器
  • cooled anode valve
    冷板屏极真空管
  • cooled type valve
    冷却式真空管
  • A six-valve set
    六真空管电报接收机
  • We need a valve detector.
    我们需要个真空管检波器。
  • Transistors have many advantages over the old-fashioned vacuumtube valves.
    与老式真空管相比,晶体管具有许多优点。
  • In semiconductor receivers transistors take the place of vacuum tubes.
    在半导体收音机中晶体管代替了真空管。
  • We have, for example, dramatically reduced the physical bulk of our radios, by substituting transistors for vacuum tubes
    例如,我们用晶体管取代真空管,使无线电的体积大为缩小。
  • First-generation computer: A computer that used vacuum tubes as switching elements.
    第一代电脑:采用真空管做开关元件的电脑。
  • It was a small vacuum chamber, about the size and shape of a bathtub stopper.
    它是一款非常小巧的真空管,形状和大小如浴缸塞。
vacuum是什么意思
n. 真空;空白;空虚;真空吸尘器
v. 用真空吸尘器清扫

  • Is there a vacuum cleaner?
    有真空吸尘器吗?
  • Some people are living in a vacuum.
    有些人过着与世隔绝的生活。
  • clean(sth)with a vacuum cleaner
    用真空吸尘器清扫(某物)
  • Nature abhors a vacuum
    自然界里是没有真空的
  • Can you conceive of a complete vacuum?
    你能想象出完全真空的情形吗?
tube是什么意思
n. 管子;软管;内胎;地铁;电视
v.把…装管;把…弄成管状;用管输送;乘地铁;不及格

  • The tubes are individually connected in order to the tubes of a multiple manometer
    这些总压管依次分别连接到一个多管压力计的各个管子上。
  • darcy impact pressure tube
    达喂力管
  • inner core tube
    内倒望远镜
  • In London, the use of the Tube has ballooned.
    在伦敦,坐地铁的人激增。
  • The tubing needs to be jacketed.
    管道系统需要装护套。

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