英文關鍵字
two
large
industrial
air
conditioning
condenser
fans
appliance
background
blade
building
chiller
climate
cold
comfort
commercial
compressor
condition
conditioner
control
cool
cooler
cooling
electric
electrical
electricity
energy
environmental
equipment
fan
heat
hvac
impact
industry
machine
machinery
metal
outside
panning
power
refrigeration
rotating
shot
slowly
spinning
system
technology
temperature
tilting
turning
unit
vent
ventilation
ventilator
water
white