The new building materials are fireproof.

新的建筑材料是防火的。

These building materials are very expensive.

这些建筑材料非常昂贵。

Aluminum is widely used in building materials.

铝广泛用于建筑材料中。

The pickup was loaded with building materials.

小型货车装满了建筑材料。

This store sells a variety of building materials.

这家商店出售各种各样的建材。

Coal gangue can be used to make building materials.

煤矸石可以用来制造建筑材料。

They are researching sustainable building materials.

他们正在研究可持续的建筑材料。

The quality of these building materials is very good.

这些建材的质量非常好。

Calcium carbonate is often used in building materials.

碳酸钙常用于建筑材料中。

All building materials must meet the national standard.

所有建筑材料都必须符合国家标准。