为减轻纺织工人的劳动强度,在文化大革命中有关部门设计制造了巡回座车,受到纺织女工的欢迎。但是这种座车要在铁轨上运行,给使用和维修带来一定的不便。 为了革掉轨道,实行无轨导向,上棉二厂、上海师大和上海技术物理研究所的工人、师生和科技人员组成的三结合小组,大干快上, In order to reduce the labor intensity of textile workers, relevant departments in the Cultural Revolution designed and manufactured touring cars and were welcomed by textile workers. However, this kind of car must run on the railroad tracks, which brings some inconvenience to the use and maintenance. In order to get rid of the orbit and practice the principle of no track, a three-in-a-small group of workers, teachers, students and scientific and technical personnel at Shangmian No.2 Factory, Shanghai Normal University and Shanghai Institute of Technical Physics made a big and quick start,