Lock the exhaust valve in its open position.
把排气阀固定在它开启的位置。
For example, the same number, position and similar styling of intake and exhaust ports, but here refined, combined and utilized to improve airflow and overall effect at road speeds.
例如，同样的数量，位置和进气口和排气口类似的风格，但在这里提炼，综合和利用，以改善道路气流速度和整体效果。
The ion energy distribution in the plasma exhaust plume of a hall thruster is important to evaluate the influence of the hall thruster plume and optimize the thruster position on the spacecraft.
霍尔推力器羽流中的离子能量分布情况对于评估推力器羽流影响，优化推力器在航天器上的布局具有重要意义。
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