Why is the airplane wing not so high in flying tape?

The aircraft can take off and fly in the sky thanks to the lift generated from the wing. But in the winter or when exposed to the cold air above, snow ice can cling to the wings of the aircraft affecting the ability of aircraft wings, causing danger to the flight. Therefore, the aircraft wings should be de-glaciated with a special liquid mixture before take-off and equipped with a double-wing heating system to prevent ice accumulating in the flight process.

1. After nearly 60 years, the cause of the 747 plane has a big bump on its head
2. Did you know: planes fly east faster in the west, and this is the reason

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1. Why is the tail of the wing curved so oddly?
2. Most aircraft have a small hole in the tail, but what effect do they have?
3. Why often have white smoke streaks in the sky after the plane flies over?