基本解释喷气直升机旋翼英汉例句双语例句An analytical method to predict the effects of rotor downwash on engine jet was proposed to investigate the flow pattern of helicopter engine jet.通过考察旋翼洗流对发动机喷流的影响来研究直升机发动机喷流的流动形式。jet helicopter rotor更多例句专业释义航空、航天科学技术喷气直升机旋翼