- [电子学] directly heated cathode; electron-tube heater; filamentary cathode; filament-type cathode; lamp filament
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灯丝的英文
例句与用法
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- The lack of air in the bulb prevents the filament from burning up .
灯泡内缺乏空气就使灯丝不致烧掉。 - The liberation of electrons from a hot wire is called thermionic emission .
电子从热灯丝逸出，叫做热电子发射。 - The source of electrons in an electron microscope is a heated filament .
电子显微镜中的电子源，是一加热的灯丝。 - The effect is caused by the escape of electrons from the hot filament .
这个效应是由于电子从热灯丝逸出而引起的。 - An inert gas such as argon is introduced to reduce evaporation of the filament .
将诸如氩那样的惰性气体充入灯泡中，以减少灯丝的蒸发。