The aircraft’s shaft-driven lift fan propulsion system produced more vertical thrust than needed to meet performance requirements.
经测试，飞机的轴驱动升力风扇推进系统可产生超过性能需求的垂直推力比。
The utility model relates to a wheel type paddle fan, belonging to fluid dynamic devices. The paddle fan is used for propulsion of airplanes and ships, fluid transportation, blowing, etc.
一种轮式桨扇，属流体动力学装置，用于飞机轮船的推进、流体的输送和吹送等。
The total characteristics of a Supersonic Through Flow (STF) fan propulsion system of unconventional configuration have been studied.
探讨了一种非常规结构的推进系统—超音通流风扇推进系统的总体性能的特征。
In the video the fan is switched off while travelling upwards with the new red switch to allow hearing of the propulsion motor but the sound is not really audible.
片段当中的风扇在上行时用那个红色的新开关掣关掉，以便聆听驱动机芯，但声音不算真的可以听到。
In the video the fan is switched off while travelling upwards with the new red switch to allow hearing of the propulsion motor but the sound is not really audible.
片段当中的风扇在上行时用那个红色的新开关掣关掉，以便聆听驱动机芯，但声音不算真的可以听到。
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