中央油箱供油时，大翼油箱泵是否运转?

ON A320, DURING A NORMAL POTABLE WATER TANK DRAINING OPERATION, THE NUMBER OF VALVES ELECTRICALLY OPERATED
IS:

THE POTABLE WATER SERVICE PANEL IS INSTALLED ON THE:

ON THE A320, THE NUMBER OF POTABLE WATER DRAIN PANELS FITTED ON THE AIRCRAFT IS:

HOW MANY NAV LIGHTS ARE INSTALLED ON EACH WING TIP?

THE TAXI AND TAKE-OFF LIGHTS ARE INSTALLED ON:

THE MAXIMUM STORAGE CAPACITY OF THE DIGITAL FLIGHT DATA RECORDER (DFDR) IS:

THE EIS COMPRISES SEVERAL SYSTEM COMPUTERS, THESE COMPUTERS ARE:

THE ELECTRONIC INSTRUMENT SYSTEM (EIS) INCLUDE:

THE WING LEADING EDGE ANTI-ICED SECTIONS ARE:

THE COMPLETE PROBE HEAT SYSTEM INCLUDES: