Why are you so ________ about that old coat? Although it is a gift from your grandfather, it is almost worn out.

WXR图象在何种状态下显示

Y/D的倾斜输入信号来自

拔出空速游标控制旋钮，马赫空速表上有何变化

扳动ADC上测试开关到TEST位，ADC上正常显示为：

备用地平仪ILS开关放“B/CRS”位时

备用高度/空速表的震荡器用于

侧滑仪安装在

当EADI上显示ALT字符时,表示

当FMC故障，而IRS正常时，驾驶舱有何指示

当FMC和IRU都故障时，驾驶舱有何指示