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1990年以前我主要在大学从事《机械原理》、《机械设计》的教学工作,自1990年调入山东科技大学机械厂任技术科长。同科的栾兆群同志也是1988年的大学毕业生。对我们来说,刚开始从事实践性的技术工作,还真是难能胜任。使我们记忆最深也是我们在机械厂第一次露脸的事,就是对我厂冲天炉的改造。1990年春天工厂提出多年来需要解决的问题,即冲天炉因熔化铁液温度低,铸造毛坯常常出现气孔、砂眼、缩
Before 1990, I was mainly engaged in the teaching of “Principles of Machinery” and “Mechanical Design” in universities. Since 1990, I have been transferred to the chief of technical department of Shandong University of Science and Technology Machinery Plant. Comrade Luan Zhaomeng is also a 1988 university graduate. It is hard for us to start a practical technical job. The deepest memory we make is also the first time we showed up at the machine factory, that is, the transformation of our cupola. In the spring of 1990, the factory put forward the problems that need to be solved over the years, that is, the cupola has many defects such as stomata,