英文關鍵字
aeration
air
airconditioning
aluminum
building
circulation
climate
cold
conditioner
conditioning
construction
cool
cooler
cooling
duct
electric
engineering
equipment
factory
fan
indoor
industrial
industry
interior
isolation
mates
metal
metallic
modern
pipe
pipeline
pipes
power
steel
system
systems
technology
top
tube
vent
ventilation
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