单选题
对于CRJ 900飞机,当人工释放起落架,前起落架上位锁人工释放作动筒释放依靠:On the CRJ900 aircraft, when the landing gear has been released manually, the nose landing gear uplock manual release actuator is released:
A
液压系统2。 by hydraulic system 2
B
液压系统3。 By hydraulic system 3
C
电动。 Electrically
D
液压系统1。 By hydraulic system 1
答案解析
正确答案:A
