在毛主席关于开展群众性的设计革命运动的指示鼓舞下,在无产阶级文化大革命的推动下,我们同有关部门一起,实行开门办科研,走与工人相结合的道路,坚持设计、科研、生产使用部门三结合,从1970年到1973年,试制成功了喷射式挖泥船,先后在广东 Inspired by Chairman Mao’s instructions on carrying out the mass design revolution movement, with the impetus of the Great Proletarian Cultural Revolution, we, along with the relevant departments, implemented the path of combining scientific research with workers and workers and adhering to the principle of designing, researching and producing The use of three departments, from 1970 to 1973, the successful trial of the jet dredger, one after another in Guangdong