An illuminated BLEED TRIP OFF light indicates:
A.A.Too high temperature in bleed air duct and bleed air valve stays open.
B.B.Too high temperature in bleed air duct and bleed air valve stays closes.
C.C.Too high pressure in bleed air duct and bleed air valve stays open.
D.D.Too high temperature or pressure in bleed air duct and bleed air valve stays closes.
正确答案是D