“升降舵”造句

与水平安定面相连的是两个称为 “ 升降舵 ” 的可动操纵面.
Attached to the stabilizers are two movable surface called " elevator ".

俯仰力矩的变化由升降舵的偏转来提供.
A variable pitching moment is provided by moving the elevator.

飞机的升降舵可以使它升降自如.
The elevator of an aircraft can make it ascend or descend.