tantalum filament钽: tantalum灯丝: directly heated cathode; ele ...灯丝: [电子学] directly heated cathode; electron-tube heater; filamentary cathode; filament-type cathode; lamp filament暗灯丝: dim filament单灯丝: single filament下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:钽灯丝，即可在微信中查询翻译
