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APU发电机 APU发电机、左发（ENG）发电机 APU发电机、右发（ENG）发电机 APU发电机、左ENG发电机、右ENG发电机
study studies will study studied
If he were to study If he studied hard Had he studied hard Should he study hard
APU发电机 APU发电机、左发（ENG）发电机 APU发电机、右发（ENG）发电机 APU发电机、左ENG发电机、右ENG发电机
If he were to study If he studied hard Had he studied hard Should he study hard
study studies will study studied
to study studying study studied
推力手柄控制ENG且FCU上的A/THR接通灯亮； 推力手柄控制ENG但FCU上的A/THR接通灯不亮； 推力系统控制ENG但FCU上的A/THR接通灯不亮； 推力系统控制ENG且FCU上的A/THR接通灯亮。
study studies studying is studying
does he study, is he does he study, he is he studies, he is he studies, is he
两台发动机都是蓝系统 ENG2绿系统，ENG1黄系统 ENG2黄系统，ENGl绿系统 ENG2蓝系统，ENGl绿系统
does he study;is he does he study;he is he studies;he is he studies;is he
studying; to study to study; studying studying; studying having studied; to study
FMGEC1控制ENG1，FMGEC2控制ENG2； FMGEC1控制ENG2； FMGEC2控制ENG2； D飞行操纵和发动机控制仅由一个FMGEC来控制。
he must have to study last night he must have studied last night he should have studied last night he should study last night
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