dual controls

noun
🔊/ˌdjuːəl kənˈtrəʊlz/
🔊/ˌduːəl kənˈtrəʊlz/
[plural]
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  1. two sets of instruments for controlling a vehicle or aircraft, so that a teacher, for example, can take control from the driver(车辆或飞机的)复式控制装置,复式操纵装置Topics Transport by airc2, Transport by car or lorryc2