An AIRCRAFT deriving both lift and propulsive power from horizontally revolving rotor blades and capable of ascending and descending vertically; a helicopter SOED.
English |
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Name | HELICOPTER |
Description | An AIRCRAFT deriving both lift and propulsive power from horizontally revolving rotor blades and capable of ascending and descending vertically; a helicopter SOED. |
Chinese |
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Name | 直升机 |