The flap or slat drive system in the aircraft according to claim 1, wherein each said drive is a rotational drive comprising an actuating motor.
皮瓣或金属板驱动系统在飞机根据索赔1 ，其中每个驱动器说是一个旋转驱动器由一个驱动马达。
2
AIM: to observe the clinical effect of the retrograde rip of pterygium combined with in situ autograft conjunctival flaprotational transplantation in the treatment of pterygium.