确保襟翼位置对称。
A.Make sure that the position of the wing flaps is symmetrical. B.Make sure that the wing flaps must move symmetrically at all time. C.The wing flaps are moved to the symmetrical position.正确答案A
确保襟翼位置对称。
A.Make sure that the position of the wing flaps is symmetrical. B.Make sure that the wing flaps must move symmetrically at all time. C.The wing flaps are moved to the symmetrical position.正确答案A
