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英明领袖华主席在全国工业学大庆会议上号召我们:“大家在这场伟大的革命群众运动中来一个比赛,充分发挥自己的才干”。粉碎祸国殃民的“四人帮”以后,为了适应我国城市公共交通事业飞跃发展的需要,我们坚持“独立自主,自力更生” “洋为中用”的正确方针和赶超世界先进水平的雄心壮志。紧密结合生产、使用和保养的实际,虚心学习兄弟单位的先进经验,自行设计、制造了球铰接机构安装在LK—661通道车上,经过1000公里郊区路面负荷行驶和2000公里路线行车,性能良好。从而甩掉了结构复杂且笨重的大型转盘连接主副车的落后面貌。
The wise leader, Chairman Hua, called us at the National Industrial Science Daqing Conference: “Everyone in this great revolutionary mass movement has come to a contest to give full play to its talents.” In order to meet the needs of the rapid development of urban public transport in our country, following the smashing of the “gang of four,” which is responsible for disasters and disasters, we adhered to the correct principle of “independence, self-reliance” and “foreign application” and the ambition of surpassing the advanced world standards. In close connection with the actual production, use and maintenance, humbly learned the advanced experience of brothers units, designed and manufactured the ball hinge mechanism installed in the LK-661 channel car, after 1000 km of suburban pavement load and 2000 km of road traffic, good performance . So get rid of the complex structure and bulky large turntable to connect the main car behind the scene.