The basic conception and characteristic of X-H rolling method are introduced and X-H pass design technology is recommended.
介绍了X - H轧制法的基本概念及特点，推荐了X - H孔型设计的基本方法。
Then the thesis analyzes the work principles and basic characteristic of VRML, expatiates work pattern of VRML and conception pattern of VRML browser in detail.
其次，本文分析了VRML的工作原理及基本特性，并详细地阐述了VRML的工作模式和VRML浏览器的概念模式。
Then the thesis analyzes the work principles and basic characteristic of VRML, expatiates work pattern of VRML and conception pattern of VRML browser in detail.
其次，本文分析了VRML的工作原理及基本特性，并详细地阐述了VRML的工作模式和VRML浏览器的概念模式。
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