当驾驶员的操纵力仅使调整片偏转而不作用于主操纵面时，称为伺服调整片。
When the pilot's control force acts only to deflect the tab, and not the main surface, it is designated a servo tab.
当驾驶员的操纵力仅使调整片偏转而不作用于主操纵面时，称为伺服调整片。
When the pilot's control force acts only to deflect the tab, and not the main surface, it is designated a servo tab.
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