The roofing of this building is made of red brick.

这种建筑的屋顶是用红砖盖的。

These tiles are roofing materials used by the villagers to build roofs.

这些瓦片都是村民们用来盖屋顶用的材料。

The palace was carefully examined from the foundation to the roofing.

宫殿从地基到屋顶都经过了仔细的检查。

The new building has aluminum siding and roofing.

新建筑用铝作墙板和屋顶。

The second is a light gradient under the roofing.

其次是屋顶下方的一个小坡度。

One of the best roofing materials to use is cedar shingles.

一个最好的屋面材料是用雪松瓦。

I also worked six months in Lafarge Roofing Systems China as a project assistant.

我也曾作为一个项目助理在中国拉法基屋面系统工作了六个月。

Other indicators, such as sales of roofing material, point to busier economic activity.

其他的指标，例如屋顶建材的销售，也指向更繁忙的经济活动。