URL：https://www.researchgate.net/publication/368737938/figure/fig2/AS:11431281126016627@1678527006431/Axial-sketch-of-the-gear-and-functional-geometric-parameters.png
掲載元：https://www.researchgate.net/figure/Axial-sketch-of-the-gear-and-functional-geometric-parameters_fig2_368737938
