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propeller    音标拼音: [prəp'ɛlɚ]
n. 螺旋桨,推进器

螺旋桨,推进器

propeller
n 1: a mechanical device that rotates to push against air or
water [synonym: {propeller}, {propellor}]


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  • Drone Mapping 3D Construction Data Analytics | Propeller Aero
    Propeller simplifies daily oversight using a map-based command center with analytics tools and reporting capabilities Connecting all your site docs in one hub, you’ll reduce operating costs, align your team, and keep proof of work on hand
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  • Propeller - Wikipedia
    A propeller (often called a screw if on a ship or an airscrew if on an aircraft) is a type of propulsor with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which exerts linear thrust upon a working fluid such as water or air when rotated [1]
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  • Propeller | Aircraft, Aviation, Design | Britannica
    Propeller, device with a central hub and radiating blades placed so that each forms part of a helical (spiral) surface By its rotation in water or air, a propeller produces thrust owing to aerodynamic or fluid forces acting upon the blades and gives forward motion to a ship or aircraft
  • What Are Propellers? How They Work and Their Types
    A propeller is a rotating device with angled blades that converts spinning motion into thrust, pushing an aircraft through air or a vessel through water
  • Propellers | How Things Fly
    This is similar to changing gears with a car or bicycle A ship’s propellers create thrust in water in much the same way an airplane’s propellers create thrust in air In order for a propeller blade to spin, it usually needs the help of an engine
  • Home [www. ptprop. com]
    We specialize in the design, manufacture and sale of, both, stainless steel propellers and aluminum propellers for the marine industry We are known for our quality, performance and innovation, and proudly offer one of the largest selections of stainless steel propellers in the industry
  • Amazon. com: Propeller
    Check each product page for other buying options Price and other details may vary based on product size and color Need help?
  • Aircraft Propellers – Introduction to Aerospace Flight Vehicles
    Since the earliest days of powered flight, propellers have undergone continual refinement in aerodynamic design, structural configuration, and manufacturing methods, thereby directly improving aircraft performance and efficiency





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