单选题
THE WATER QUANTITY IS DISPLAYED ON THE FORWARD ATTENDANT PANEL (FAP):
A
As soon as the aircraft is powered.
B
Automatically at the end of the refilling procedure, signal sent by the Vacuum System Controller (VSC).
C
When the "IND ON" P/B on the FAP is pressed in or the water service panel door is open.
答案解析
正确答案:C
