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柯林斯
百科
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网络词典 (beta)
网络词典 (beta)vacuum tube 隐藏摘要 
真空管真空密閉性vacuum tube...真空管vacuum tube oscillator...真空管振蕩器vacuum ultra-violet
真空管，电子管vacuum tray dryer 真空盘架干燥器...vacuum tube 真空管，电子管...vacuum tube tester 真空管测试仪
玻璃管Receipt 收据...vacuum tube 玻璃管
相关词条
与 vacuum tube 相关的例句
与 vacuum tube 相关的例句- An electron tube or a vacuum tube.
电子管或真空管 - a small vacuum tube; used at high frequencies.
小的真空管；在高频状态下应用。 - a vacuum tube that amplifies a flow of electrons.
能够增强电子流量的真空管。 - A specific vacuum tube which converts light into electrical energy.
把光转换成电能的一种真空管。 - battery used to heat the filaments of a vacuum tube.
能够把真空管的细丝加热的电池。 - battery used to maintain the grid potential in a vacuum tube.
能够保持潜藏在真空管内的栅格的电池。 - The air having been pumped out, the tube is reduced to a vacuum.
空气抽出后，管子已处于真空状态。 - 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。 - an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube.
真空电子管的正负极之间的能够控制电子通过管流动的电极。 - In the vacuum tube radio, a lot of space is taken up by these vacuum tubes and a large quantity of beat is produced so that part of the electric power is wasted.
电子管收音机中的很大空间就是被这些电子管占领着的，它们产生大量的热，因此部分电能被浪费掉了。