輸出する
3d
ban
barrier
blockade
blocking
break
bulgaria
bulgarian
butane
closed
conflict
contract
cooperation
country
crisis
crossed
crude
economy
embargo
energy
equipment
flag
flow
fossil
fuel
gas
gasoline
illustration
import
industry
knot
market
metal
oil
partnership
petrochemical
petrol
petroleum
pipe
pipeline
politics
power
pressure
problem
propane
refinery
render
russia
russian
sanctions
silver
sky
stop
stream
supply
trade
transit
transport
transportation
tube
twisted