648.控制APU引气的部件是( )APU bleed air is contorled by ( )

54.电子舱的烟雾探测器安装在哪里?( )Where is the location of the avionics smoke detector?( )

53.驾驶舱里的设备有哪些?Which equipments are in the control cabin ?

52.驾驶舱安装的设备/设施的目的: the purpose of installing equipment/furnishing in the cockpit are:

51.客舱压力释放门安装在 where are the cabin depressurization door mounted?

50.在紧急情况下,驾驶舱内的机组人员有几种撤离路径可用In case of emergency, the cockpit crew have several evacuation path available( )

49.用何种方式可以进入电子舱( ) what way can use to enter the electronic cabin?()。

48.旅客氧气面罩收藏在哪里( ) where use to store The passenger oxygen masks ?()。

47.货舱侧壁减压板的作用是( ) the depressurization panel of the cargo side wall function is:()。

46.舱勤务梯的开锁手柄位置( ) The unlocking handle of electronic cabin service ladder is located:()。

45.货舱出口处有1个SILL LATCH处于放下状态,则( ) if one Cargo Exit SILL LATCH is down, then()