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