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1 天
2025年春江苏开放大学数控机床及应用技术辅导资料
问题 20: 20. 在数控机床中,( )是由传递切削动力的主轴所确定。 问题 21: 21. 开环伺服驱动系统由驱动控制单元、执行元件和机床组成,通常执行元件选用直流或交流伺服电机。( ) 问题 23: 23. 标准机床坐标系中X、Y、Z坐标轴的相互关系用右手笛卡尔坐标系 ...
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