英文關鍵字
aerial
air
aircon
airflow
appliance
big
blower
blowing
building
cold
commercial
compressor
condenser
condition
conditioner
conditioning
cool
cooler
cooling
device
electrical
equipment
factory
fan
heat
heater
industrial
industry
large
machine
outside
propeller
refrigerant
refrigerator
rotate
rotating
spin
spinning
system
temperature
turn
unit
ventilation
ventilator
wall