Unit 6Group TechnologyGroup technology is a manufacturing philosophy that involves identifying and grouping components having similar or related attributes in order to take advantage of their similarities in the design and/or manufacturing phases of the production cycle.（成组技术是一个制造业的哲学概念，它涉及到具有相似或相关属性零件的标识和分组，这样我们可利用产品的相似性这种特点，把这种技术应用于产品生产的设计制造过程中）Historically, this novel principle first came into being here in the United States in 1920,when Frederick Taylor supported the idea of grouping p
