機器
blue
business
chemical
construction
control
energy
engineering
equipment
factory
flange
fluid
fuel
gas
gas pipeline
gasoline
industrial
industrialplant
industry
insulation
line
manufacturing
metal
natural
oil
petrochemical
pipe
pipeline
pipelines
piping
plant
power
pressure
production
pump
refinery
rusty
sky
stainless
steel
supply
system
technology
transportation
tube
valve
valves
water
white
定額
Oil and gas processing plant with pipe line valves.Industrial zone, Steel pipelines and valves blue sky.Oil pipeline valves in the oil and gas industry.の素材 [FY310149356654]
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