据报道,1817年6月12日,德国森林官员和发明家德国森林官

据报道,1817年6月12日,德国森林官员和发明家德国森林官员和发明家,后来叫做他的Laufmaschine(“运行机”),后来叫做Velocipede,从距离曼海姆到“施韦辛格拉伊莎卢斯”的大约7km。 他的机器采用了两轮车原理,基本为自行车和摩托车。
原文:1817 Jun 12, Karl von Drais (1785-1851), German forest official and inventor, reportedly first rode his Laufmaschine (“running machine”), later called the velocipede, from about 7km from Mannheim to the “Schwetzinger Relaishaus.” His machine incorporated the two-wheeler principle that is basic to the bicycle and motorcycle.