英文關鍵字
america
azerbaijan
baku
barrel
barrels
business
close
conservative
construction
crude
derrick
diesel
donkey
drilling
energy
equipment
exploration
explore
extract
extraction
field
gasoline
geology
industrial
industry
jack
machine
machinery
natural
nodding
odessa
oil
oilfield
old
onshore
petrol
petroleum
pipe
pipeline
platform
pump
pumpjack
sun
sunny
supply
tower
usa
well
working