如超过了预计的保持时间，在起飞前（ ）分钟内应当完成起飞前污染物.

THE ELECTRONIC INSTRUMENT SYSTEM (EIS) INCLUDE:

THE EIS COMPRISES SEVERAL SYSTEM COMPUTERS, THESE COMPUTERS ARE:

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

THE TAXI AND TAKE-OFF LIGHTS ARE INSTALLED ON:

HOW MANY NAV LIGHT ARE INSTALLED ON EACH WING TIP?

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

A320飞机，基本代码400是代表哪一区域？

A320飞机，基本代码300是代表哪一区域？

A320飞机勤务部分内容在手册哪一章？

A320左副翼的区域应为：