• 所述直角弯头外表光滑弧面

    The appearance of each square elbow presents a smooth cambered surface.

    youdao

  • 本文介绍半径r圆弧绘制多节等径直角弯头展开曲线方法——圆弧法。

    In this paper, a method-ARC method is introduced, by which the development chart can be drawn, of multiple-piece, equal-diameter and right-angled elbows with the radius as the arc of r.

    youdao

  • 本文介绍半径r圆弧绘制多节等径直角弯头展开曲线方法——圆弧法。

    In this paper, a method-ARC method is introduced, by which the development chart can be drawn, of multiple-piece, equal-diameter and right-angled elbows with the radius as the arc of r.

    youdao

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