air heating
空气加温法
热风供热
空气加热
热风采暖
热空气供暖
空气加热热空气供暖
热风供暖
Air-heating interpass temperature
Alkaline-heating method
boiling water bath heating method
central warm air heating system
Chemical Heating Method
cold and warm air heating radiator
desorption by heating method
Dilution-heating method
direct air heating system