如果升力减少,飞机会落高度。( )
A.If the lift decreases, the aircraft loses altitude. B.If the thrust decreases, the aircraft increases altitude. C.The aircraft loses altitude if the gravity increases.正确答案A
如果升力减少,飞机会落高度。( )
A.If the lift decreases, the aircraft loses altitude. B.If the thrust decreases, the aircraft increases altitude. C.The aircraft loses altitude if the gravity increases.正确答案A