空气螺旋桨是把航空发动机的动力转化为飞行器推进力的工具。

Air propeller is the tool which transforms the power of aerial engine to the thrust of aircraft.

youdao

空气螺旋桨是把航空发动机的动力转化为飞行器推进力的工具。

Air propeller is the tool which transforms the power of aerial engine to the thrust of aircraft.

youdao