Based on summarizing machining technology of deep and small hole, an introduction about most advanced technology and internal research is given.
对分析总结了国内外小直径深孔加工技术，介绍了当前孔加工的最新技术和国内在这方面的研究情况。
Deep researches have achieved on small deep hole machining on Titanic alloy with EDM.
对钛合金深小孔的电火花加工工艺进行了深入的研究。
By analysis of the features of small and deep hole machining of stainless steel and the main relative factors, sums up a simple and viable machining method.
针对不锈钢细长孔加工的特点，对整个加工过程中主要相关因素进行了分析，总结出了一种较简便的、切实可行的不锈钢细长孔加工方法。
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