This paper sets up system construction of centrifugal machine case library and inquiry method based on case by reasoning techniques and realizes auto type-selection of centrifugal machine by active server pages( ASP) techniques.

• 采用基于实例的知识库推理机制建立了离心机实例库系统的组织结构和搜索方法,利用动态服务器网页技术(SP)现了离心机的自动选型。