英文關鍵字
5d
axis
austria
barrel
black
business
conceptual
crude
currency
diesel
dollar
energy
environment
equipment
finance
fuel
gas
gasoline
growth
head
industrial
industry
machine
market
money
oil
opec
petroleum
pipeline
plant
power
pump
pumpjack
reservoir
side
spin
stop
motion
tower
wealth
white
vena
time
lapse
timelapse