【电学】用于热处理的欧姆电阻加热

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 annealing device

ohmic-resistance heating for continuous annealing plant

industrial furnace ohmic-resistance heating

electroslag-remelting furnace ohmic-resistance heating