hoejeonwontong
rotor
rotor (cylindrique) ; élément tournant
회전원통은 비행기의 엔진에서 중요한 역할을 합니다.
hoejeonwontong-eun bihaenggi-ui enjin-eseo jungyohan yeoghal-eul hamnida.
The rotor plays an important role in the engine of an airplane.
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