upper-wing spoiler的用法和樣例：
例句
- Ailerons are smaller than on the older jets, and they are aided by spoilers mounted on the tops of the wing.
副翼比舊式噴氣機上的要小，裝載機翼頂部的擾流片可以輔助副翼。 - Another common method is the semaphore spoiler which the French have used on most of their anti-tank missiles.
另一種通用的方法是阻流板擾流片，此方法在法國已經(jīng)用在大部分反坦克導彈上。
