玻璃电导性

forming electric connections by SCREWING

TEM mode【电子】;transverse electric and magnetic mode【电子】;transverse electromagnetic mode【电子】

fibre optic cable containing electric conductor

elementary electric charge

electroplating【化工】;galvanization【化工】;electric plating【化工】

electroslag remelting plant (electroslag refining plant) heating by electric arc

ROTOTROLS used for controlling electric machines

circulation pump for heating installation, electric