能够控制升降的装在飞机横尾翼上的操纵面。注意，注意力集中。

The control surface on the tailplane of an aircraft that makes it ascend or descend.

youdao

能够控制升降的装在飞机横尾翼上的操纵面。注意，注意力集中。

The control surface on the tailplane of an aircraft that makes it ascend or descend.

youdao