機器
background
barrel
blue
bolt
business
construction
control
economy
energy
engineer
engineering
equipment
exploration
factory
fossil
fuel
gas
gasoline
industrial
industry
man
manufacturing
mechanical
metal
natural
oil
oilfield
petroleum
pipe
pipeline
pipework
piping
plant
platform
power
processing
production
pump
refinery
rig
steel
supply
technology
tool
tube
valve
well
work
worker
定額
Horizontal view of a wellhead with valve armature. Oil and gas industry concept. Oil valve with rocking in the background. Offshore oil and gas site service operator open valve for control gasesの素材 [FY310122048179]
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