- filament
- 灯丝: directly heated cathode; ele ...
- 丝极: filament
- 灯丝极间漏泄: heater cathode leakage
- 丝极: filament◇丝极变阻器 filament rheostat
- 灯丝: [电子学] directly heated cathode; electron-tube heater; filamentary cathode; filament-type cathode; lamp filament
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