英文關鍵字
azerbaijan
baku
barrel
business
closeup
conservative
counterweight
crude
donkey
drilling
energy
equipment
exploration
explore
extract
extraction
field
flare
fossil
fuel
gasoline
industry
jack
machine
machinery
natural
nature
nodding
oil
old
onshore
output
petrol
petroleum
pipeline
plant
power
pump
pumpjack
rig
silhouette
sky
sunbeam
supply
technology
texas
tower
unit
well