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
gas
income
industry
jack
machine
mineral
money
oil
oilfield
orange
petroleum
pipe
pipeline
platform
power
profit
pump
pumping
raw
rich
rig
rocking
sunset
support
technology
tool
unit
well
work