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rotorcraft | |||
helicogyre; hover plane | |||
vertiplane; flying windmill | |||
autogyro | |||
hoverplane; chopper; windmill | |||
copter | |||
helicopter | |||
flat riser | |||
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whirley bird | |||
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autogyro | |||
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eggbeater |
直升飞机: 63 phrases in 14 subjects |
Agriculture | 1 |
Architecture | 1 |
Aviation | 11 |
Company name | 1 |
Earth sciences | 4 |
Electronics | 4 |
General | 19 |
Geophysics | 2 |
International trade | 1 |
Navigation | 5 |
Pest control | 1 |
Skydiving | 3 |
Technology | 9 |
Transport | 1 |