【电学】退火装置的电阻加热

heating of bar-shaped bodies from steel, iron, ohmic-resistance heating

seal, waterproof ohmic-resistance heating

ohmic-resistance heating

resistance annealing ohmic-resistance heating for resistance annealing

ohmic-resistance heating for continuous annealing plant

industrial furnace ohmic-resistance heating

electroslag-remelting furnace ohmic-resistance heating

ohmic-resistance heating for heat treatment