英文關鍵字
advantage
barrel
black
business
chink
construction
crude
domination
donkey
drilling
ecology
economy
energy
equipment
extract
extracting
extraction
facility
field
fuel
gas
income
industrial
industry
jack
machine
mineral
money
nodding
oil
orange
petroleum
pipe
pipeline
platform
power
pumping
rig
rocking
silhouette
sky
storage
sunset
support
technology
tool
unit
well