英文關鍵字
air
alternative
appliance
background
beautiful
blade
blades
blowing
climate
concept
conditioner
conditioning
cool
cooling
development
ecology
electric
electrical
electricity
element
energy
environment
equipment
fan
function
generation
global
heat
hot
indoor
industrial
industry
innovative
installation
isolated
modern
motion
object
operate
production
propeller
ribbons
rotate
rotation
summer
sweat
sweating
ventilator
warming
wind