Due to the formation of low melting calcium - aluminates the corrosion resistance and hot erosion strength are reduced 由于低熔点的铝酸钙的形成，火砖的抗腐蚀能力和抗热蚀强度降低了。
2.
Wedge splitting test ： the specific feature of this testing method is the determination of fracture mechanical parameters at high temperatures ( 1100 to 1250 ) 楔劈实验：这种测试方式用于在高温时( 1100到1250 )确定火砖的断裂机械参数。
3.
Shadow puppet is a handicraft artwork created by processing cattle hide , donkey hide , or sheepskin into a translucent pelt , then painting it with colours before it is baked dry inside a brick oven 皮影偶是一个用牛皮、驴皮或羊皮再加工成半透明状，涂上颜色后，还要用火砖烘烤压平而成的作品。
4.
The spanish priest fernando sainz op preached christianity here 150 years ago , and his followers subsequently built this church . the exterior of this magnificent building was made using traditional materials , such as crushed stone , lime mortar , brown sugar , and honey , kapok , and kiln - fired bricks , and it has a horizontal inscribed granite tablet , given by the emperor tongzhi 早在一百五十年前，西班牙神父郭德刚便在此宣教，日后信徒们兴建了这座以碎石石灰黑糖蜂蜜木棉及火砖等古老建材为外墙的大教堂，规模宏伟，还获同治皇帝亲赐奉旨及天主堂石碑，至今仍镶在圣堂正面上方。
