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判断题
判断正误True or False：当飞机在地面上，双发和APU都在运转时，APU总是优先向飞机气源系统提供引气。On the ground, with both the engines and APU running, the APU always has priority in supplying the bleed air for the aircraft pneumatic systems.
A
正确
B
错误
答案解析
正确答案：A
题目纠错
飞机试题CRJ900题库练习
