Propeller description
A device consisting of two, three or more central hubs with the same radial blades symmetrically arranged, and the blades are twisted like a part of a threaded helicoid, which is used to propel a vehicle (such as a boat, a motorboat or an airplane).
detailed description
A device that generates power to make an airplane or ship sail, consisting of spiral blades. When rotating, the inclined plane of the blade stirs the fluid and generates power through the reaction force. Also known as propeller.
Mandarin dictionary
The propeller installed on a ship or an airplane is composed of power-driven blades.
Network interpretation
Propeller (power machine)
Propeller refers to a device that converts the rotating power of an engine into propulsion by rotating blades in air or water. There may be two or more blades connected to the hub, and the rear sides of the blades are propellers with helicoids or similar helicoids. There are many kinds of propellers, which are widely used, such as the propellers of airplanes and ships.