英文關鍵字
alternative
blades
blow
blue
clean
clouds
cloudscape
concept
conservation
ecological
efficiency
efficient
electricity
energy
environment
environmental
generate
generation
generator
global
green
industrial
industry
innovation
innovative
invention
mill
nature
outdoor
power
production
propeller
renewable
rotate
sky
source
summer
supply
sustainable
technology
tower
traditional
turbine
warming
weather
wind
windmill
windpower