【机械工程】对垂直顺流燃烧器的加热锅炉

electron-heating steel bar header【机】

rich gas heating with flue gas rarefaction in coke ovens

heating body (heater, radiator, heating element)

heating effect

hair-drying comb with separate heating

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

circulation pump for heating installation, electric

heating programme control, heating roller control, toaster control