中文摘要：

随着制造业服务化的推进，服务在制造企业中扮演这越来越重要的角色，对产品服务知识的需求日益显现；结合知识的定义，给出了产品服务知识的定义，按照服务过程将服务知识分为四类，建立了产品服务知识层次模型；根据产品全生命周期服务化的特点，分析了服务知识获取的信息源，提出了面向产品全生命周期服务知识获取模型。

英文摘要：

Along with the manufacturing ser- vitization, the product service plays an important role in manufacturer. It has an increasing desire for product ser- vice knowledge. Combined with the definition of knowl- edge, the product service knowledge definition is provided. Product service knowledge is divided into four categories according to service process, and product service knowl- edge hierarchy model is constructed. Finally, the service knowledge acquisition model oriented on product life cycle is pointed out based on the analysis of information source for service knowledge acquisition.