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【毎日一題 第022題】2019.01.22

2019-01-22View Original

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【毎日一題 第022題】2019.01.22 Auto CADにおけるもう一つの補助描画コマンドで、端点がなく無限に延びる線です。建築設計や機械設計の図面作成の補助としてよく使用されます。単選 A、スプライン曲線 B、放射線 C、多線 D、構造線 D

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