Reduktionsgetriebe (Neutro)

reducing gears (Neutro)

speed reducer (Neutro)

step-down gears (Neutro)

engranaje decreciente (Neutro)

engranes reductores (Neutro)

reductor de velocidad (Neutro)

减速齿轮 (Neutro)

降压齿轮 (Neutro)