wom tomnibakwi
worm wheel
roue à vis
웜 톱니바퀴는 기계에서 힘을 전달하는 데 사용됩니다.
weom topnibakwineun gigeeseo him-eul jeondalhaneun de sayongdoemnida.
The worm wheel is used to transmit power in machines.
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