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一、槪况在毛主席的革命路线指引下,我国工农业生产迅速发展,城市及工农业输水管道日益增多,金属管材的供需矛盾就显得非常突出,为了解决金属管材供应不足的矛盾,因此,大力发展水泥压力管已是一项急不容缓的任务。根据国家建委(72)建材生字359号文件和“三管”规划会议的精神,今后必须大力发展和推广使用水泥压力管。交通部工电局于72年11月组成了有工厂、设计、科研三结合的水泥压力管调查小组,曾到北京、东北、西北、华东等地区生产现場参观学习。现将调查有关
First, under the guidance of Chairman Mao’s revolutionary route, China’s industrial and agricultural production has developed rapidly, and the number of water pipelines in cities and industrial and agricultural areas has increased. The contradiction between the supply and demand of metal pipes has become very prominent. In order to solve the problem of insufficient supply of metal pipes, The development of cement pressure pipes is an urgent task. According to the spirit of the National Construction Committee (72), Building Materials, No. 359 Document and the “Three-Pipe” planning meeting, cement pressure pipes must be developed and promoted in the future. In November of the year, the Ministry of Transport, Bureau of Public Works and Telecommunications formed a survey team for cement pressure pipes with factories, design, and scientific research. They visited production sites in Beijing, Northeast China, Northwest China, and East China. Now we will investigate relevant