原则上I类问题的整改期限不应超过（）天，II类和III类问题应在( )天内完成整改，如确需延长整改期限需经( )批准

WHEN TESTING THE OXYGEN SYSTEM AT EACH COCKPIT CREW STATION, YOU ARE VERIFYING:

IF A PASSENGER OXYGEN CONTAINER DOOR FAILS TO OPEN ELECTRICALLY:

ON AN A/C THAT IS NOT ELECTRICALLY POWERED, THE CREW OXYGEN CYLINDER PRESSURE:

TO DETERMINE THAT AN OXYGEN OVERBOARD DISCHARGE HAS OCCURED:

THE CREW OXYGEN SOLENOID SUPPLY VALVE IS ELECTRICALLY POWERED:

DURING AN ENGINE BLEED FAULT WARNING:

BLEED PRESSURE FOR ECAM INDICATION IS SENSED BY:

THE REGULATED PRESSURE TRANSDUCER:

THE HEAT EXCHANGER OUTLET TEMPERATURE SENSOR (T):

IN CASE OF BLEED MONITORING COMPUTER (BMC) FAILURE, THE AUTOMATIC CONTROL OF THE PRESSURE REGULATING VALVE (PRV) IS: