英文關鍵字
line
icon
animation
turbine
generator
engine
blade
technology
power
machine
energy
electricity
alternative
industry
windmill
wind
tidal
station
rotating
rotary
spin
sustainable
linear
motion
graphic
pictogram
hd
video
thin
logo
outline
loop
art
contour
drawing
animated
illustration
concept
web
symbol
flat
lineart
isolated
design
sign
item
dynamic
simple
dark