supplemental restraint system

Noun

(automotive) Any of several restraining systems in a vehicle, such as an airbag, in addition to the seatbelts

Japanese Meaning

車両に搭載される座席ベルトに加えて機能する補助的な安全拘束システム（例：エアバッグなど）

After the collision, the supplemental restraint system deployed and reduced the severity of the occupants' injuries.

衝突後、車両の補助拘束装置（エアバッグ）が作動し、乗員の負傷の程度を軽減しました。

Sense（1）

(automotive) Any of several restraining systems in a vehicle, such as an airbag, in addition to the seatbelts

supplemental restraint systems

（ plural ）