BALANCE TAB, a small hinged moveable part on the trailing edge of a control surface (aileron, elevator, rudder).

随动补偿片，铰接在操纵面后缘(副翼，方向舵，升降舵)的可动部。

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Control Surface: Aileron, Elevator and Rudder.

控制舵面：副翼，升降，方向。

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Control Surface: Aileron, Elevator and Rudder.

控制舵面：副翼，升降，方向。

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