conical wall nozzle 锥壁喷管
straight-wall nozzle 直壁喷管
fixed wall nozzle 固壁喷管
flexible wall nozzle 柔壁喷管
nozzle wall 喷嘴壁 ; [航] 喷管壁
adjustable nozzle wall 可调喷管壁
FL-7 is a continuous transonic wind tunnel, which is powered by three engines. Mach number is adjusted by the rotating speed of engines, the flexible wall nozzle and the by-pass valve.
7风洞是以三台航空发动机为动力的跨音速风洞，通过调节发动机转速、柔壁及旁路活门开度来实现对M数的控制。
FL-7 is a continuous transonic wind tunnel, which is powered by three engines. Mach number is adjusted by the rotating speed of engines, the flexible wall nozzle and the by-pass valve.
FL - 7风洞是以三台航空发动机为动力的跨音速风洞，通过调节发动机转速、柔壁及旁路活门开度来实现对M数的控制。
Thrust vector control is often achieved by throttling individual thrusters or by injecting gas through the nozzle wall to cause a change in the local pressure distribution.
推力矢量控制，往往所取得的节流个别推力器或注入气体通过喷嘴壁造成的变化在当地的压力分布。
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