英文關鍵字
3d
moving
oil
output
petroleum
price
processing
producing
production
purchase
refining
reserves
resources
rising
seamless
sector
sign
slump
supplies
technology
up
mineral
volume
metal
loopable
abstract
animation
backdrop
background
extraction
concept
barrel
industrial
gas
crisis
increase
market
growing
delivery
isolated
conversion
industry
business
crude
loop
development
flying
yellow
pump
continent
globe