The buildings are made of burntbrick, with an elaborate system of sewers and Wells.
这些建筑物是用烧成的砖砌成的，有着精心建造的下水道和水井。
2
The burntbrick produced with zeolite as the main raw material is a new energy-saving wall material. Its most notable features are light in weight, high in strength and good in energy saving.
以沸石为主要原料生产的烧结砖，是一种新型的节能墙体材料，它的最显著特点是：轻质、高强，节能效果好。
3
This is our standard quality brick based on burnt magnesia and chromite, made from dead burned magnesia.