流金岁月,蹉跎了几度春秋?花开花落,流逝了多少年华?然而,总有一些事,不会因为社会的发展而被淹没;总有一些人,不会因为岁月的变迁而被忘却。当你看到工地上挖掘机的钻头奋力地钻入混凝土时;当你看到车床卡盘上的钢棒被磨得光滑锃亮时;你可曾知道,共和国的第一颗“工业的牙齿”——硬质合金,是在什么时候,什么地方诞生的呢?这可是半个多世纪前的事了啊…… However, there are always some things that will not be overwhelmed by the development of society. There will always be people who will not be forgotten because of the changes of time. . When you see the drill bits on the excavator digging hard into the concrete; when you see the steel bars on the lathe chucks polished smooth and shiny; have you ever known that the first “industrial tooth” "- Carbide, when and where was it born? This is more than half a century ago.