bn:00068325n
Noun Concept
Categories: Leonardo da Vinci projects, All articles containing potentially dated statements, Helicopter aerodynamics, Chinese inventions, Helicopter components
EN
rotary wing  rotor blade
EN
The long airfoil that rotates to provide the lift that supports a helicopter in the air WordNet 3.0
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EN
The long airfoil that rotates to provide the lift that supports a helicopter in the air WordNet 3.0 & WordNet 2020
WordNet 3.0 & WordNet 2020
Wikipedia Redirections