機器
barrel
blue
cloudy
construction
crude
derrick
diesel
drill
drilling
ecology
energy
equipment
exploration
facility
fossil
fuel
gas
gasoline
industrial
industry
jack
motor
natural
nodding
oil
oil prices
oilfield
petroleum
pipe
pipeline
plant
platform
power
price cap
pump
pumping
refinery
resources
rig
rocking
russia
silhouette
sky
sun
sunrise
sunset
supply
war
well