power-assisted steering
noun🔊/ˌpaʊər əˌsɪstɪd ˈstɪərɪŋ/
🔊/ˌpaʊər əˌsɪstɪd ˈstɪrɪŋ/
(British English) (also power steering British and North American English)
[uncountable](in a vehicle 车辆 a system that uses power from the engine to help the driver change direction 动力转向系统