英文關鍵字
alternative
blue
clean
cloud
ecologic
ecological
ecology
economy
efficiency
electric
electricity
energy
environment
environmental
farm
field
generate
generation
generator
green
industrial
industry
innovative
landscape
mechanical
modern
nature
panorama
power
propeller
renewable
resource
saving
solar
station
supply
tech
technology
turbine
wind
windfarm
windmill
windpower
windturbine
wireframe