The article exploits a special NC system based on DOS, choosing PCL-839 3-axis stepping motor control card, and analyzes the expansibility of the card.
文章采用PCL-839三轴步进电机控制卡开发了一套基于DOS的专用数控系统，并对该控制卡功能的扩展进行了分析。
The article exploits a special NC system based on DOS, choosing PCL-839 3-axis stepping motor control card, and analyzes the expansibility of the card.
文章采用PCL-839三轴步进电机控制卡开发了一套基于DOS的专用数控系统，并对该控制卡功能的扩展进行了分析。
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