oxygen supply
Technical and general term for the provision of oxygen, used in medical, industrial, and biological contexts.
Oxygen supply is essential in hospitals.
This device automatically regulates the oxygen supply.
酸素 means 'oxygen' itself, while 酸素供給 refers specifically to the supply or provision of oxygen.
供給 is a general term for 'supply' or 'provision', whereas 酸素供給 is limited to oxygen supply.
Compound of 酸素 (oxygen) and 供給 (supply). The exact historical derivation is straightforward from the constituent parts.