PanLinx

Englisheng-000
lamp filament
普通话cmn-000灯丝
Englisheng-000directly heated cathode
Englisheng-000electron-tube heater
Englisheng-000filament
Englisheng-000filament-type cathode
Englisheng-000filamentary cathode


PanLex

PanLex-PanLinx