最近,武汉市机电系统在武汉铸造厂召开了大力推广应用“流态自硬砂”、“六五清砂”、“风动送砂”,现场经验交流会。武汉铸造厂在会上介绍了他们活学活用毛泽东思想,以两个阶级、两条道路、两条路线斗争为纲,坚持“独立自主、自力更生”的方针,土法上马,先后试验成功“流态自硬砂”、“六五清砂、”“风动送砂”,并投产应用的先进经验。到会代表参观了生产现场,以现场为战场,展开了革命大批判。代表们列举了大量事实,愤怒地控诉和批判了大叛徒刘少奇所推行的“洋奴哲学”、“爬行主义”、 Recently, Wuhan Electromechanical Systems has vigorously promoted the application of “flow-type self-hardening sand,” “six-five clean sand,” and “wind-moving sand,” and field experience exchanges in the Wuhan foundry. At the meeting, the Wuhan foundry introduced their use of Mao Tse-tung's thought to study and use the principles of two classes, two roads, and two lines of struggle to adhere to the principle of “independent, self-reliance, self-reliance”. Self-hardening sand, “six-five sand removal,” “wind-driven sand,” and the advanced experience of the application. Delegates visited the production site and used the scene as a battlefield to launch a revolutionary critique. The delegates cited a large number of facts and angrily accused and criticized the “penochon philosophy” and “crawlability” pursued by the big renegade Liu Shaoqi.