catodo a riscaldamento indiretto
Смотреть больше слов в «Русско-итальянском политехническом словаре»
indirectly heated cathode, separately heated cathode* * *separately heated cathode
equipotential cathode, heater cathode, indirectly heated cathode, separately heated cathode, unipotential cathode
indirectly heated cathode, heater-type cathode
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