数控机床课程设计说明书.docx
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目录
1、前言 ·························································2
2、 控制系统硬件的基本组成····································2
2.1系统扩展 ··················································2
2.1.1 8031芯片引脚········································3
2.1.2 数据存储器的扩展·········································6
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