过去,我们在管道接口方面,一般都是用铅或石棉水泥,沥青砂浆等来作填塞料。这些材料,由于操作技术要求较高,打口时所需劳动强度较大,并且需耗费国家大量稀有金属,故不能适应社会主义建设的飞跃发展。无产阶级文化大革命以来,广大给水工人同志,路线觉悟不断提高,在党的正确领导下,进一步开展了技术革新和技术革命运动,创造不少新的接口方法,为减轻工人体力劳动,节约国家资材,作出了一定的贡献。我队全体革命职工,为了取得新旧材料的对比数据,以能更好的全面推广这些先进经验,于七月初成立了以领导干部、工人与技术人员三结合的试验小组,目前已对三种接口材料取得了 In the past, we used plumbing or asbestos cement, asphalt mortar, etc. as packing materials for pipe connections. These materials can not meet the leap forward of socialist construction due to the high technical requirements for operation and the labor intensity required for playing the mouth and the need to consume a large amount of rare metals in the country. Since the Great Proletarian Cultural Revolution, the majority of water-supply workers have continuously improved their awareness of the route. With the correct leadership of the party, they have further carried out technological and technological revolutions and created quite a few new interface methods. In order to reduce the manual labor of workers and save the national capital , Made a certain contribution. In order to obtain the comparative data of new and old materials so as to be able to promote these advanced experiences better and better, a trial team of leading cadres, workers and technicians was set up in early July. At present, three kinds of interfaces Materials have been made