一、资料档案库房防烟设计的重要性及其作用资料档案库房可分为地上库房和地下库房两类,并根据其档案库房存放资料档案的级别和使用单位范围的不同分为特级、甲级、乙级和丙级。地上库房根据档案资料防护要求一般很少开或不开外窗,而地下库房 I. Importance and role of data file warehouse smoke prevention design The data file warehouse can be divided into two categories: ground warehouse and underground warehouse, and is divided into special grades and grades according to the level of its archives and the range of use units. Grades B and C. On the ground, according to the data protection requirements of archives, there are usually few or no open windows, and underground warehouses