機器
air
appliance
blue
building
chemical
chiller
climate
cold
commercial
compressor
condenser
condition
construction
cool
ecology
energy
environment
equipment
fan
frame
gas
green
heat
hvac
industrial
mechanical
metal
outdoor
outside
plant
pollution
power
production
refrigeration
station
steam
steel
still
structure
system
technology
temperature
top
unit
utility
ventilation
water