High-speed aircraft usually employ thin, low-drag, low-lift airfoils; slow aircraft that carry heavy loads use thicker airfoils with high drag and high lift.
高速飞机通常采用低阻力、低升力的流线型薄翼型，载重量大的低速飞机使用高阻力、高升力的厚翼型。
He found that due to the drag of the extended undercarriage his Fiat fighter could fly and manouvre at a very slow speed.
他发现由于起落架的阻力，他的飞机可以以很低的速度飞行和转弯。
He found that due to the drag of the extended undercarriage his Fiat fighter could fly and manouvre at a very slow speed.
他发现由于起落架的阻力，他的飞机可以以很低的速度飞行和转弯。
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