PanLinx
English
eng-000
filament cathode
普通话
cmn-000
丝状阴极
普通话
cmn-000
直热式阴极
English
eng-000
direct-heated cathode
English
eng-000
filament type cathode
English
eng-000
filamentary cathode
English
eng-000
heater cathode
PanLex