機器
aerial
air
aluminum
alumum
appliance
building
chrome
cold
commercial
compressor
condition
conditioner
construction
cool
coolant
cooling
duct
electrical
energy
engineering
environment
equipment
factory
fan
handler
heat
home
hot
house
hvac
industrial
industry
machinery
metal
pipe
pipes
pipework
refrigerator
residential
roof
safety
steel
storehouse
temperature
tube
ventilation
venting
warm
zinc
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