crude oil supply
Refers to the supply or provision of crude oil, often in economic, industrial, or geopolitical contexts.
Instability in crude oil supply is affecting gasoline prices.
The discovery of a new oil field increased the crude oil supply.
原油 means 'crude oil' itself, while 原油供給 specifically refers to the supply or provision of crude oil.
供給 is a general term for 'supply' or 'provision', whereas 原油供給 narrows it to crude oil.
Compound of 原油 (crude oil) and 供給 (supply).