常見例句The SERN of a hypersonic vehicle was designed for improving the lift and propulsion force. 摘要為了提升高超聲速飛行器單壁膨脹噴管的升力和推力，對其進行了優(yōu)化設計。single-expansion-ramp nozzle (SERN) 單壁擴張噴管Serning 塞寧Māsern 麻疹,疹子 返回 Serninger