【机械工程】加热器、灶【机械工程】加热装置装料孔

water heater

immersion heater

heating body (heater, radiator, heating element)

bitumen heater, mobile (bitumen melting boiler, mobile)

air heater

feed-water heater (feed-water preheater) air preheater

storage heater, water heater

tube heater