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      "title": "五轴 RTCP 与工件坐标"
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      "title": "01　坐标是“按照约定量出来的位置”"
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      "title": "02　一套坐标系至少要规定什么？"
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      "title": "05　五轴机床里，到底是哪五根轴？"
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      "title": "08　回零解决什么？工件对刀又解决什么？"
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      "title": "09　工件坐标 W 代表什么？"
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      "title": "18　G54究竟做了什么？"
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      "title": "19　G54的40、20、10代表什么？"
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