The paper introduces the development process of quarry tile used in coke oven and compares it with the other products in domestic. The result is good by utilization.

本文主要介绍了焦炉用缸砖的研制过程，并与国内其它厂家的产品进行了比较，经使用取得了良好的效果。

Results The 25 foci malaria outbreak occurred in the quarry, tile field and the peripheral villages with mass of mobile population from 1982 to 1994.

结果1982～ 1994年2 5个疟疾暴发点均发生在流动人口聚居的采石场、砖瓦厂及邻近村庄。