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密云县工交局广大革命职工,遵照伟大领袖毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进。”的教导,在公路修建养护工作中大力开展技术革新和技术革命运动,取得了一定成绩,他们组成由领导、技术人员和工人三结合的研究小组,试制使用手扶拖拉机牵引油箱带动齿轮泵自动喷洒沥青,经过几个月反复试验和改进初步试制成功并投入了生产,1970年在京古路15公里的罩面和处理翻桨工程中都使用这台沥青撒布机。
The revolutionary workers and workers of the Miyun County Bureau of Industry and Exchange, in accordance with the guidance of the great leader Chairman Mao, “Mankind has always been summing up experience, discovering, inventing, creating, and advancing.” Has been vigorously promoted in highway maintenance work. Technological innovations and technological revolutionary movements have achieved certain results. They have formed a research team composed of leaders, technicians, and workers. Trial production has used manual tractors to pull fuel tanks to drive gear pumps to automatically spray asphalt. After several months of trial and error and preliminary improvements. The trial production was successful and put into production. In 1970, this asphalt spreader was used in the covering and processing paddling works of 15 km of Jinggu Road.