1) groin vault
两筒正交相贯穹顶
2) barrel vault with intersecting vault
筒形交叉穹顶
3) barrel vault
筒形穹顶
5) segmental barrel vault
弧形筒穹顶
6) intersection line of orthogonal cylinder and cylindrical bore
圆柱体与孔正交相贯线
1.
When it comes to the monospaced chamfer at intersection line of orthogonal cylinder and cylindrical bore,however,no mature manufacturing method has been found yet.
圆柱体与孔正交相贯线处的等宽倒角,现今还没有成熟的加工方法。
补充资料：筒形执壶
清代杨彭年制，高９厘米。２０００年文物艺术品拍卖会上所拍的几把紫砂壶，价位在２万左右，作者的名气远不及杨彭年。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条