英文關鍵字
air
appliance
background
building
climate
cold
compressor
concept
condition
conditioner
conditioning
control
cool
cooler
cooling
electric
electrical
electricity
equipment
factory
fan
heat
home
hot
hvac
illustration
industrial
industry
isolated
machine
maintenance
metal
outdoor
outside
pedestal
power
pump
refrigeration
repair
swinging
system
technology
temperature
unit
ventilation
white