機器
air
airconditioning
appliance
background
black
blower
boiler
building
chill
chiller
climate
cold
commercial
compressor
conditioner
conditioning
construction
cool
energy
engineer
engineering
equipment
fan
frame
heatsink
industrial
industry
infrastructure
large
machinery
manufacturing
metal
modern
outside
pipe
pipeline
pump
radiator
refrigerant
refrigeration
silver
system
technology
tower
unit
ventilation
ventilator
water
white