英文關鍵字
yellow
hydraulic
gear
lift
install
windmill
generator
turbine
propeller
blade
construction
site
sunny
day
closeup
blue
sky
put
detail
assemble
part
ecofriendly
summer
generate
ecology
electricity
energy
power
landscape
industry
mill
nature
environment
alternative
industrial
technology
manipulator
mechanism
oil
machine
automated