创作教程不易，每个教程都是我亲自试过并且踩了不少坑后总结出来的，一直坚持做免费的教程分享，也很开心我的教程能够帮到你~The push shaft is perpendicular on the rear axles. The right-angled relationship is frequently produced with bevel gears using a ratio this kind of which the axles rotate at a