英文關鍵字
biofuel
energy
green
environment
industrial
sustainable
business
alternative
biodiesel
3d
saving
protection
group
concept
ecology
metal
fuel
oil
gasoline
petrol
gas
power
technology
industry
petroleum
plant
bio
factory
chemical
natural
barrel
renewable
diesel
production
eco
biogas
new
innovation
tank
leaf
rotate
construct
animation
motion
swirl
spin
vortex