拱形的

Beneath this long, arched drain which terminated at the Arche-Marion, a perfectly preserved rag-picker's basket excited the admiration of all connoisseurs.

在通到马利容桥拱形长巷中，有一个拾破烂背篓保存得完好无缺，识啧啧称赞。

The characteristic, structure, raw materials, equipment, process, cost and applications of arched colour plated roofing are introduced. The foams act as insulator, seal and waterproofer in roofing.

简要介绍了用泡沫塑料保温、密封、防拱形彩钢屋面特点、构造、材料、设备、施工工、成本和应用。