機器
barrel
business
crude
derrick
diesel
drill
drilling
ecology
energy
environment
equipment
exploration
extraction
field
fossil
fuel
gas
gasoline
generation
industrial
industry
jack
mining
natural
oil
oil field
oilfield
oilwell
petrol
petroleum
pipe
pipeline
plant
pollution
power
production
pump
pumpjack
refinery
resource
rig
rocking
silhouette
steel
swing
technology
unit
well
wellhead
定額
Oil pump jack rocking with pipeline in the background. Rocking machines for power generation. Extraction of oil. A pumpjack is the overground drive for a reciprocating piston pump in an oil well.の素材 [FY310139488564]
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