真空管的英文：
vacuum tube

參考例句：
  • A valve detector
    真空管檢波器
  • cooled anode valve
    冷板屏極真空管
  • cooled type valve
    冷卻式真空管
  • A six-valve set
    六真空管電報(bào)接收機(jī)
  • We need a valve detector.
    我們需要個(gè)真空管檢波器。
  • Transistors have many advantages over the old-fashioned vacuumtube valves.
    與老式真空管相比，晶體管具有許多優(yōu)點(diǎn)。
  • In semiconductor receivers transistors take the place of vacuum tubes.
    在半導(dǎo)體收音機(jī)中晶體管代替了真空管。
  • We have, for example, dramatically reduced the physical bulk of our radios, by substituting transistors for vacuum tubes
    例如，我們用晶體管取代真空管，使無(wú)線電的體積大為縮小。
  • First-generation computer: A computer that used vacuum tubes as switching elements.
    第一代電腦:采用真空管做開(kāi)關(guān)元件的電腦。
  • 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，形狀和大小如浴缸塞。
vacuum是什么意思：
n. 真空；空白；空虛；真空吸塵器
v. 用真空吸塵器清掃
  • Is there a vacuum cleaner?
    有真空吸塵器嗎？
  • Some people are living in a vacuum.
    有些人過(guò)著與世隔絕的生活。
  • clean(sth)with a vacuum cleaner
    用真空吸塵器清掃（某物）
  • Nature abhors a vacuum
    自然界里是沒(méi)有真空的
  • Can you conceive of a complete vacuum?
    你能想象出完全真空的情形嗎？
tube是什么意思：
n. 管子；軟管；內(nèi)胎；地鐵；電視
v.把…裝管；把…弄成管狀；用管輸送；乘地鐵；不及格
  • The tubes are individually connected in order to the tubes of a multiple manometer
    這些總壓管依次分別連接到一個(gè)多管壓力計(jì)的各個(gè)管子上。
  • darcy impact pressure tube
    達(dá)喂力管
  • inner core tube
    內(nèi)倒望遠(yuǎn)鏡
  • In London, the use of the Tube has ballooned.
    在倫敦，坐地鐵的人激增。
  • The tubing needs to be jacketed.
    管道系統(tǒng)需要裝護(hù)套。

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