Air propeller is the tool which transforms the power of aerial engine to the thrust of aircraft.

空气螺旋桨是把航空发动机的动力转化为飞行器推进力的工具。

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Hovercraft is a kind of high-powered watercraft. the propulsion system of hovercraft concludes mainframe power transfer device thruster air propeller installation and assistant system.

气垫船动力装置由如下各部分组成：主机，功率传输装置，推进器，主推进器舵组合装置，垫升装置以及为动力装置服务的系统和装置。

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Hovercraft is a kind of high-powered watercraft. The propulsion system of hovercraft concludes mainframe, power transfer device, thruster, air propeller installation, and assistant system.

气垫船动力装置由如下各部分组成：主机，功率传输装置， 推进器，主 推进器舵组合装置，垫升装置以及为动力装置服务的系统和装置。

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Officials said the plane suffered more damage than originally thought in the collision, including the propeller damage, and the loss of wing flaps and the air speed indicator.

CNN: U.S. pilot struggled to regain control after collision

On propeller driven aircraft, balloon-like devices attached to the wings and tail are inflated and deflated with air from the engines, breaking up any ice accumulation.

CNN: Airplane deicing: The how and why