The engine is an axial flow turbofan with two rotors and variable stator vanes. 发动机是一个有两个转子和不同的定子叶片的轴流式涡轮风扇发动机。
Because of their efficiency, compactness, and simplicity of installation, axial flow fans have become increasingly used in recent years. 由于它们效率高,体积小,装配简易,轴流式通风机近些年来使用得越来越多了。