×
单选题
横滚脱开如何完成？How is a roll disconnect accomplished?
A
电动地，通过拉出ROLL DISC 手柄。electrically, by pulling the ROLL DISC handle
B
机械地，先拉出再旋转ROLL DISC 手柄。Mechanically, by pulling then rotating the ROLL DISC handle
C
自动地，当副翼卡阻被SSCU检测到。Automatically, when an aileron jam is detected by the SSCU’s
D
电动地，当按下任一ROLL SELECT 电门。Electrically, when depressing either ROLL SELECT switch
答案解析
正确答案：B
