当FASTEN BELTS开关在AUTO位，FASTEN SEAT BELTS和BETURN TO SEAT信号灯将在：
2023-12-011-12
当FASTEN BELTS开关在AUTO位，FASTEN SEAT BELTS和BETURN TO SEAT信号灯将在：
A.襟翼和起落架收回后亮
B.襟翼或起落架放出后亮
C.只在飞行中亮
D.襟翼和起落架放出后熄灭
正确答案是B
