英文關鍵字
air
architecture
background
building
care
closeup
cold
conditioner
conditioning
construction
control
cool
cooling
design
distribution
equipment
exterior
factory
fan
flow
heat
home
house
housing
industrial
industry
metal
motion
object
office
outdoor
outside
roof
roofing
rooftop
rotate
round
shape
silver
slope
space
spin
steel
technology
temperature
turbine
ventilation
ventilator
wind