英文關鍵字
advantage
barrel
black
business
craft
crude
donkey
drilling
ecology
economy
energy
equipment
exploration
explore
extracting
extraction
facility
field
fossil
fuel
income
industry
jack
laver
machine
mineral
money
oilfield
orange
petroleum
pipe
pipeline
platform
power
profit
pump
pumping
rich
rocking
sunset
support
technology
tool
unit
well
wells
work