APU供油系统要供油给左发,需要打开的活门是:
AAPU供油活门APU FUEL FEED VALVE
BAPU燃油关断活门APU FUEL SHUTOFF VALVE
CAPU隔离活门APU ISOLATION VALVE
D交输活门CROSSFEED VALVE
AAPU供油活门APU FUEL FEED VALVE
BAPU燃油关断活门APU FUEL SHUTOFF VALVE
CAPU隔离活门APU ISOLATION VALVE
D交输活门CROSSFEED VALVE