Cement steel and timber are the most important construction materials used in civil engineering.

水泥、钢材和木材是土建工程中最重要的建筑材料.

口语例句

Iron and Steel, Scrap , Cement and Sand, Clinker, Cement, Steel, Scrap.

采购产品钢铁, 废料, 水泥和沙子, 水泥熟料, 水泥, 钢铁.

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Portland cement concrete shall be, and sulfate resistant cement; steel structure is painted with protection coat.

混凝土采用普通硅酸盐混凝土, 施用抗硫酸盐水泥; 钢布局粉刷防护涂层.

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