单选:地面上,增压系统工作在自动方式,当发动机起动好后,如果将FIT/GRD(飞行/地面)电门放到”FLT(飞行)”位,则:().A.飞机保持释压

题目内容:
地面上,增压系统工作在自动方式,当发动机起动好后,如果将FIT/GRD(飞行/地面)电门放到”FLT(飞行)”位,则:().
A.飞机保持释压
B.飞机将增压到所选择的座舱高度
C.飞机将增压到比起飞机场低200英尺的高度
D.飞机将增压到比起飞机场低300英尺的高度
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