早期自转旋翼机有着与固定翼航空器类似的机翼和前置的动力装置，拖动自身向前飞行。

Early autogyros resembled the fixed-wing aircraft of the day, with wings and a front-mounted engine and propeller in a tractor configuration to pull the aircraft through the air.

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肇事直升机的飞行员具备有效的航空运输飞行员执照（直升机和自转旋翼机）和一级体检合格证明书，并拥有3 ， 900小时的飞行经验。

The pilot held a current airline transport pilots licence ( helicopters and gyroplanes ) and a valid class one medical certificate. he had 3, 900 hours of operating experience.

youdao

肇事直升机的飞行员具备有效的航空运输飞行员执照(直升机和自转旋翼机)和一级体检合格证明书，并拥有3,900小时的飞行经验。

The pilot held a current airline transport pilots licence (helicopters and gyroplanes) and a valid class one medical certificate. He had 3, 900 hours of operating experience.

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