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单项选择题如果FMGC1的FM部分故障,那么()

A、MCDU1上显示INDEPENDENT OPERATION

B、MCDU1上显示OPP FMGC IN PROGRESS

C、MCDU2上显示OPP FMGC IN PROGRESS

D、MCDU2上显示FMS1/FMS2 AC STS DIFF

  • B
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