单选题
机翼和整流罩防冰的引气来源是什么?What is the source(s) of bleed air for wing and cowl anti-icing ?
A
APU和发动机APU and engines
B
发动机Engines
C
APU
D
APU和外部地面气源APU and external ground air
答案解析
正确答案:B
题目纠错
飞机试题CRJ900题库练习
