Bypass ratio is a ratio of the mass of air going through the fan duct to the mass of air going through the engine core. The above sentence means"涵道比是流经发动机体流量与流经风扇管道气流量之比"
A.1
正确答案是B
Bypass ratio is a ratio of the mass of air going through the fan duct to the mass of air going through the engine core. The above sentence means"涵道比是流经发动机体流量与流经风扇管道气流量之比"
A.1
正确答案是B