This paper introduces its technology summary, typical processing and general machines. At last this paper analysis the application states and developing trend in heating treatment home and aboard.
本文介绍了真空热处理的技术概况、典型工艺及通用设备，并分析讨论了国内外真空热处理的应用现状及发展趋势。
General situation and features of sand band grinding technique was introduced in the article. Developing trend of the technique was discussed.
介绍砂带磨削技术的概况及其特点，论述砂带磨削技术的发展趋势。
This paper mainly discusses some key technology programs during the design of Large screen HDTV Ready and the technology-developing trend in general design.
重点讨论阴极射线管大屏幕HDTV显示器设计中的一些关键技术问题和总体设计中的技术发展趋势。
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