英文關鍵字
boil
boiler
boilerhouse
burner
circulator
condensing
control
cooking
electric
electrical
equipment
fuel
furnace
gas
gasoline
hot
indicatorheating
industrial
industry
insulation
iron
machine
manufacturing
measuring
metalheat
pipe
pipeline
pipelines
pipes
power
pressure
pump
scienceelement
spiral
station
steam
steelheater
stove
technology
temperature
thermo
thermoinsulation
thermostat
valve
vessel
water