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上海市机械工程学会热处理专业学会于1993年11月17日特邀华中理工大学孙尧卿教授和南京航空学院周建初教授来沪进行技术交流活动。孙教授就“氧探头在热处理中的应用”作了专题介绍，指出了氧探头技术近年来的进步和其在热处理生产中的作用及其发展前景。在比较了露点法、CO2等
Shanghai Institute of Mechanical Engineering Heat Treatment Institute on November 17, 1993 invited Professor Huazhong University of Science and Technology Professor Yao and Nanjing Aviation Academy Professor Zhou Jianchu to Shanghai for technical exchange activities. Professor Sun made a special introduction on “Application of oxygen probe in heat treatment”, pointed out the progress of oxygen probe technology in recent years and its role in heat treatment production and its development prospect. After comparing the dew point method, CO2 and so on