輸出する
chemical
chemistry
crude
crude oil
diesel
economy
energy
engineering
environment
equipment
factory
flammable
fossil
fossil fuel
fuel
fuel pipe
gas
gasoline
industrial
industrial plant
industry
lpg
metal
natural gas
oil
oil and natural gas pipelines
oil industry
petrochemical
petrochemical plants
petrol
petroleum
pipe
pipe tube
pipeline
plant
power
production
pump
refine
refinery
steel
storage
tank
tanker
transportation
tube