If still does not work, can check whether the infiltration of airwheel.
如仍无效，可查分泵是否渗入空气。
2
"You push down on the wheel to gain air speed, perhaps they (pilots) were getting information that the air speed was too high," said Miles o 'brien, a pilot and aviation analyst.
压制机身获得空气阻力，可能他们(驾驶员)得到的信息是飞行速度太快了。
3
He circled around and around in the water like a wheel, 3 craning his neck out into the air after them. Then he uttered the shriek so 4 piercing and so strange that he was quite frightened by himself.