This paper discusses the application of principle of value engineering to seek the best technique peed in the S7620A grinding machine wheel-dresser technique rebuilding, so as to lower the cost, improve the efficacy and realize the better technique result.
本文通过对S7620A磨床修整器的技术改造，运用价值工程原理，寻求最佳技术方案，达到降低技术改造成本，提高效能，实现较佳的技术效果。
Finite element analysis of stress distribution of Vita MarkⅡ in simulated intraoral dental abrasive finishing;
Vita MarkⅡ牙体修复材料在体外磨削修整中的应力有限元分析
