屋盖由落地交叉拱与两个不对称的鞍形曲面索网组成，上铺轻质屋面板。
The roof is composed of two crossed arches on the ground and two-saddle unsymmetrical cable-net, on which there is light weight roof sheathing.
尤其是指与英国垂直式风格有关的一种扇形拱顶的交叉拱肋在接合点的拉长浮凸饰（雕刻的楔石）。
Especially an elongated boss (carved keystone) at the junction of the intersecting ribs of the fan vaulting associated with the English Perpendicular style.
他的手势与其长长的手臂相一致，手势很大，一会儿象宽宽的拱架，一会儿又把手交叉在一起，手指轻快地转动着，表明讨论中的细微之处。
His gestures are huge in keeping with his long arms, reaching at one moment in a wide arc, at another bringing his hands together with the fingers twirling to suggest a finer point in the discussion.
最后，对无中墙连拱隧道的施工方案进行了比选，即对交叉中隔壁工法的两种施工工序进行比较分析。
Finally, the construction plans of the double-arch tunnel without middle-wall are compared, that is, two construction process engineering methods of CRD construction method are compared.
最后，对无中墙连拱隧道的施工方案进行了比选，即对交叉中隔壁工法的两种施工工序进行比较分析。
Finally, the construction plans of the double-arch tunnel without middle-wall are compared, that is, two construction process engineering methods of CRD construction method are compared.
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