当前位置：在线题库搜索＞[单选题]数控机床的主机（机械部件）包括：床身、主轴箱、刀架、尾座和（ ）。的答案是什么？
问题：
[单选题]数控机床的主机（机械部件）包括：床身、主轴箱、刀架、尾座和（ ）。
A、进给机构
B、液压系统
C、冷却系统
D、数控系统
参考答案：
A
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