...模具,计算机辅助设计,数控加工 [gap=830]Key words] environmental protection type of the cartridge case of fireworks, the molding tool, computer aided design (CAD), processing by CNC machine tools ..
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The molding tool structure is simple, having the practical value.
模具结构简单，具有实用价值。
This paper elaborated the function, the development principle, system frame of the molding tool CAPP system.
本文阐述了模具CAPP 系统的功能、开发原则、系统框架。
The molding tool industry is the primary industry of national economy, is international top generally accepted key industry.
模具工业是国民经济的基础工业，是国际上公认的关键工业。
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