드릴지그 - 삽입부시, 고정라이너, 고정부시의 모델링과 도면작업 / 삽입부시의 구분 (둥근형, 노치형, 우회전용 노치형) / 치수와 공차, 널링의 표현(2d, 3d)

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  • เผยแพร่เมื่อ 5 พ.ย. 2024

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