機器
area
basin
black
china
closeup
crude
dark
derrick
desert
drill
dusk
energy
erosion
exploration
extraction
field
fuel
gas
gasoline
gobi
heavy
industrial
industry
jack
landform
landscape
oil
operation
petroleum
pipe
pipeline
pump
recovery
road
rocking
sinkiang
storage
sunset
tank
technology
thickened
truck
wind
work
xinjiang