趣英语 / “灯丝”用英语怎么说

“灯丝”用英语怎么说

“灯丝”的英语可以翻译为：
[电子] directly heated cathode，electron-tube heater，filamentary cathode，filament-type cathode，filament
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    灯丝在电灯中电加时成白炽状态。A fine wire is heated electrically to incandescence in an electric lamp.电子显微镜中的电子源,是一加热的灯丝.The source of electrons in an electron microscope is a heated filament.电子从热灯丝逸出,叫做热电子发射.The liberation of electron...