关于再循环风扇系统正确的是：

THE AC ESS BUS IS NORMALLY SUPPLIED BY:

THE BAT BUS CAN BE SUPPLIED BY:

WITH THE TRANSFORMER RECTIFIER 2 (TR 2) LOST:

IT IS POSSIBLE TO TEST THE OXYGEN MASKS IN THE COCKPIT:

IN THE CABIN:

THE ATTENDANT INDICATION PANEL (AIP) IS LOCATED:

THE EMERGENCY CONTROL LEVER OF THE MAIN PASSENGER DOORS ENABLES:

THE AFT ATTENDANT PANEL (AAP) AND THE ATTENDANT INDICATION PANEL (AIP) ARE PART OF:

IN CASE OF AN APU FIRE DETECTED, THE FIRE WARNINGS ARE:

THE CARGO FIRE BOTTLE IS DISCHARGED: