英文關鍵字
3d
banknotes
business
cash
chemical
conceptual
construction
costly
currency
diesel
dollar
energy
equipment
expensive
extract
finance
fuel
gas
gasoline
geology
industrial
industry
investment
machine
money
nobody
oil
oilwell
oilfield
outdoors
paper
petroleum
platform
power
price
prosperity
pump
resource
rig
scene
storage
threedimensional
tower
wealth
well
white