在顶点两侧的内弧面上仍然有尖端的拱。
An arch having cusps in the intrados on either side of the apex.
有水平拱背和水平的内弧面的互相支撑的拱石的拱。
An arch with mutually supporting voussoirs that has a straight horizontal extrados and intrados.
内蒙朝克山蛇绿岩地球化学：洋内弧后盆地的产物？
Geochemistry of the Chaokeshan ophiolite: Product of intra-oceanic back-arc basin?
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