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我们江汉石油管理局七·二一工人大学的广大工农兵学员,在毛泽东思想指引下,以阶级斗争为纲,狠批修正主义教育路线、爬行主义和洋奴哲学。在开门办学过程中,结合生产实际,大胆创新,在钻井处机修部老工人的大力协助下,不到四个月时间,试制成功了7·21型凡尔座取出器,经现场试验使用效果很好,现已决定在油田全面推广使用,以替换原有的液压拔凡尔座工具。现将这种凡尔座取出器介绍如下。
Under the guidance of Mao Zedong Thought, the broad ranks of the workers, peasants and soldiers at the Workers ’and Peasants Institute at the Workers’ and Men’s Liberation Army in Jianghan Petroleum Administration, under the guidance of Mao Zedong Thought, took the class struggle as the key link and criticized the revisionist education line, the creep and the slavery philosophy. In the process of open door running, with the actual production, bold innovation, with the strong assistance of the drilling mechanics repair workers, less than four months, the successful trial of 7 · 21-type Er seat extractor, the field test results Well, it is now decided to fully promote the use of the oil field to replace the original hydraulic Chase Block seat tools. Now this Er seat extractor introduced below.