基本解釋沖壓空氣渦輪英英字典柯林斯英英字典 a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems ram air turbine劍橋字典ram air turbine柯林斯字典專(zhuān)業(yè)釋義航空、航天科學(xué)技術(shù)沖壓式空氣渦輪沖壓空氣渦輪