The major lighting system are: flight compartment lights, passenger compartment lights, exterior lights and emergency lights. The above sentence means "照明系统主要包括以下系统：驾驶舱灯，客舱灯，外部灯光和紧急撤离灯。"
A.1正确答案A
The major lighting system are: flight compartment lights, passenger compartment lights, exterior lights and emergency lights. The above sentence means "照明系统主要包括以下系统：驾驶舱灯，客舱灯，外部灯光和紧急撤离灯。"
A.1正确答案A
