英文關鍵字
aeration
air
airing
big
building
ceiling
circulation
clean
condition
conditioning
construction
consumption
cooling
device
duct
ductwork
energy
engineering
equipment
factory
fresh
heating
house
hvac
indoors
industrial
industry
interior
line
low
metal
metallic
modern
nobody
object
panorama
pipe
pipeline
piping
production
recuperator
room
special
stainless
steel
system
technology
thermal
tube
ventilation