The GE90 is a high-bypass ratio, axial-flow engine. The above sentence means "GE90 发动机是 一个高涵道比，轴流式的发动机"。
A.1
正确答案是A
The GE90 is a high-bypass ratio, axial-flow engine. The above sentence means "GE90 发动机是 一个高涵道比，轴流式的发动机"。
A.1
正确答案是A