building service department

例句：

1. 1. The architect designeda new building for the city.
   建筑师为城市设计了一座新建筑。
2. 2. The constructionof the bridge began last month.
   这座桥的建设上个月开始。
3. 3. The building is made ofsteel and glass.
   这座大楼由钢和玻璃制成。