我们伟大领袖毛主席亲自发动和领导的史无前例的无产阶级文化大革命已进入了一个新阶段。在“抓革命、促生产”的伟大号召下,狠抓革命,猛促生产,革命、生产出现了一片大好形势。我所无产阶级革命派,和全国各兄弟单位一样,坚决贯彻我们伟大领袖毛主席的号召,抓革命促生产,在硬质合金金相检验方法的研究方面作了点滴工作,简单介绍如下: The unprecedented proletarian cultural revolution, personally initiated and led by our great leader Chairman Mao, has entered a new phase. Under the great call of “grasping revolution and promoting production”, we have been paying great attention to revolution and pushing for production, revolution and production. My proletarian revolutionary, like all the other fraternal units in the country, resolutely implemented the call of Chairman Mao, our great leader, and took the task of revolution to promote production. We made a bit of work in the research on the cemented carbide metallographic examination method, and briefly introduced the following: