在毛主席革命路线指引下和各级党委的领导下,我省广大工人,贫下中农工程技术人员和干部,以批林整风为纲,以大寨、大庆为榜样,发扬“自力更生”、“艰苦奋斗”的革命精神,在水利电力建设中,以土法上马土洋结合制造预应力钢筋混凝土高压水管代替钢管建造水电站压力管道,摸索了不少经验。这种管目前在制造方法上多数采用离心法三阶段生产 Guided by Chairman Mao’s revolutionary line and under the leadership of Party committees at all levels, the majority of workers in our province, technocrats and cadres from the poor and middle peasants took the rectification of forests and rectification as the key link and Dazhai and Daqing as their examples to promote “self-reliance,” “hardship Struggle ”the revolutionary spirit, in the construction of water conservancy and electricity, with soil law combined with manufacture of prestressed reinforced concrete high-pressure pipe instead of steel pipe hydropower station construction pressure pipe, groping a lot of experience. This tube is currently in the manufacturing method most of the three stages of centrifugal production